Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.


long-term product offerings include alpha-seeking active and index strategies . our alpha-seeking active strategies seek to earn attractive returns in excess of a market benchmark or performance hurdle while maintaining an appropriate risk profile , and leverage fundamental research and quantitative models to drive portfolio construction . in contrast , index strategies seek to closely track the returns of a corresponding index , generally by investing in substantially the same underlying securities within the index or in a subset of those securities selected to approximate a similar risk and return profile of the index . index strategies include both our non-etf index products and ishares etfs . although many clients use both alpha-seeking active and index strategies , the application of these strategies may differ . for example , clients may use index products to gain exposure to a market or asset class , or may use a combination of index strategies to target active returns . in addition , institutional non-etf index assignments tend to be very large ( multi-billion dollars ) and typically reflect low fee rates . net flows in institutional index products generally have a small impact on blackrock 2019s revenues and earnings . equity year-end 2017 equity aum totaled $ 3.372 trillion , reflecting net inflows of $ 130.1 billion . net inflows included $ 174.4 billion into ishares etfs , driven by net inflows into core funds and broad developed and emerging market equities , partially offset by non-etf index and active net outflows of $ 25.7 billion and $ 18.5 billion , respectively . blackrock 2019s effective fee rates fluctuate due to changes in aum mix . approximately half of blackrock 2019s equity aum is tied to international markets , including emerging markets , which tend to have higher fee rates than u.s . equity strategies . accordingly , fluctuations in international equity markets , which may not consistently move in tandem with u.s . markets , have a greater impact on blackrock 2019s equity revenues and effective fee rate . fixed income fixed income aum ended 2017 at $ 1.855 trillion , reflecting net inflows of $ 178.8 billion . in 2017 , active net inflows of $ 21.5 billion were diversified across fixed income offerings , and included strong inflows into municipal , unconstrained and total return bond funds . ishares etfs net inflows of $ 67.5 billion were led by flows into core , corporate and treasury bond funds . non-etf index net inflows of $ 89.8 billion were driven by demand for liability-driven investment solutions . multi-asset blackrock 2019s multi-asset team manages a variety of balanced funds and bespoke mandates for a diversified client base that leverages our broad investment expertise in global equities , bonds , currencies and commodities , and our extensive risk management capabilities . investment solutions might include a combination of long-only portfolios and alternative investments as well as tactical asset allocation overlays . component changes in multi-asset aum for 2017 are presented below . ( in millions ) december 31 , net inflows ( outflows ) market change impact december 31 . <table class='wikitable'><tr><td>1</td><td>( in millions )</td><td>december 312016</td><td>net inflows ( outflows )</td><td>marketchange</td><td>fximpact</td><td>december 312017</td></tr><tr><td>2</td><td>asset allocation and balanced</td><td>$ 176675</td><td>$ -2502 ( 2502 )</td><td>$ 17387</td><td>$ 4985</td><td>$ 196545</td></tr><tr><td>3</td><td>target date/risk</td><td>149432</td><td>23925</td><td>24532</td><td>1577</td><td>199466</td></tr><tr><td>4</td><td>fiduciary</td><td>68395</td><td>-1047 ( 1047 )</td><td>7522</td><td>8819</td><td>83689</td></tr><tr><td>5</td><td>futureadvisor ( 1 )</td><td>505</td><td>-46 ( 46 )</td><td>119</td><td>2014</td><td>578</td></tr><tr><td>6</td><td>total</td><td>$ 395007</td><td>$ 20330</td><td>$ 49560</td><td>$ 15381</td><td>$ 480278</td></tr></table> ( 1 ) futureadvisor amounts do not include aum held in ishares etfs . multi-asset net inflows reflected ongoing institutional demand for our solutions-based advice with $ 18.9 billion of net inflows coming from institutional clients . defined contribution plans of institutional clients remained a significant driver of flows , and contributed $ 20.8 billion to institutional multi-asset net inflows in 2017 , primarily into target date and target risk product offerings . retail net inflows of $ 1.1 billion reflected demand for our multi-asset income fund family , which raised $ 5.8 billion in 2017 . the company 2019s multi-asset strategies include the following : 2022 asset allocation and balanced products represented 41% ( 41 % ) of multi-asset aum at year-end . these strategies combine equity , fixed income and alternative components for investors seeking a tailored solution relative to a specific benchmark and within a risk budget . in certain cases , these strategies seek to minimize downside risk through diversification , derivatives strategies and tactical asset allocation decisions . flagship products in this category include our global allocation and multi-asset income fund families . 2022 target date and target risk products grew 16% ( 16 % ) organically in 2017 , with net inflows of $ 23.9 billion . institutional investors represented 93% ( 93 % ) of target date and target risk aum , with defined contribution plans accounting for 87% ( 87 % ) of aum . flows were driven by defined contribution investments in our lifepath offerings . lifepath products utilize a proprietary active asset allocation overlay model that seeks to balance risk and return over an investment horizon based on the investor 2019s expected retirement timing . underlying investments are primarily index products . 2022 fiduciary management services are complex mandates in which pension plan sponsors or endowments and foundations retain blackrock to assume responsibility for some or all aspects of investment management . these customized services require strong partnership with the clients 2019 investment staff and trustees in order to tailor investment strategies to meet client-specific risk budgets and return objectives. .
Question: what is the multi asset aum of december 31 2017?
Answer: 480278.0
Question: and that of december 31 2016?
Answer: 395007.0
Question: how much does that multi asset aum of december 31 2017 represents in relation to that of december 31 2017?

1.21587