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.


notes to consolidated financial statements 2013 ( continued ) ( amounts in millions , except per share amounts ) the estimated future benefit payments expected to be paid are presented below . domestic pension plan foreign pension plans domestic postretirement benefit plan . <table class='wikitable'><tr><td>1</td><td>years</td><td>domesticpension plan</td><td>foreignpension plans</td><td>domestic postretirementbenefit plan</td></tr><tr><td>2</td><td>2019</td><td>$ 14.5</td><td>$ 21.7</td><td>$ 3.0</td></tr><tr><td>3</td><td>2020</td><td>8.8</td><td>18.7</td><td>2.8</td></tr><tr><td>4</td><td>2021</td><td>8.0</td><td>19.8</td><td>2.6</td></tr><tr><td>5</td><td>2022</td><td>8.3</td><td>20.9</td><td>2.4</td></tr><tr><td>6</td><td>2023</td><td>7.8</td><td>21.8</td><td>2.2</td></tr><tr><td>7</td><td>2024 - 2028</td><td>36.7</td><td>117.2</td><td>9.8</td></tr></table> the estimated future payments for our domestic postretirement benefit plan are net of any estimated u.s . federal subsidies expected to be received under the medicare prescription drug , improvement and modernization act of 2003 , which total no more than $ 0.3 in any individual year . savings plans we sponsor defined contribution plans ( the 201csavings plans 201d ) that cover substantially all domestic employees . the savings plans permit participants to make contributions on a pre-tax and/or after-tax basis and allow participants to choose among various investment alternatives . we match a portion of participant contributions based upon their years of service . amounts expensed for the savings plans for 2018 , 2017 and 2016 were $ 52.6 , $ 47.2 and $ 47.0 , respectively . expenses include a discretionary company contribution of $ 6.7 , $ 3.6 and $ 6.1 offset by participant forfeitures of $ 5.8 , $ 4.6 and $ 4.4 in 2018 , 2017 and 2016 , respectively . in addition , we maintain defined contribution plans in various foreign countries and contributed $ 51.3 , $ 47.4 and $ 44.5 to these plans in 2018 , 2017 and 2016 , respectively . deferred compensation and benefit arrangements we have deferred compensation and benefit arrangements which ( i ) permit certain of our key officers and employees to defer a portion of their salary or incentive compensation or ( ii ) require us to contribute an amount to the participant 2019s account . these arrangements may provide participants with the amounts deferred plus interest upon attaining certain conditions , such as completing a certain number of years of service , attaining a certain age or upon retirement or termination . as of december 31 , 2018 and 2017 , the deferred compensation and deferred benefit liability balance was $ 196.2 and $ 213.2 , respectively . amounts expensed for deferred compensation and benefit arrangements in 2018 , 2017 and 2016 were $ 10.0 , $ 18.5 and $ 18.5 , respectively . we have purchased life insurance policies on participants 2019 lives to assist in the funding of the related deferred compensation and deferred benefit liabilities . as of december 31 , 2018 and 2017 , the cash surrender value of these policies was $ 177.3 and $ 177.4 , respectively . long-term disability plan we have a long-term disability plan which provides income replacement benefits to eligible participants who are unable to perform their job duties or any job related to his or her education , training or experience . as all income replacement benefits are fully insured , no related obligation is required as of december 31 , 2018 and 2017 . in addition to income replacement benefits , plan participants may remain covered for certain health and life insurance benefits up to normal retirement age , and accordingly , we have recorded an obligation of $ 5.9 and $ 8.4 as of december 31 , 2018 and 2017 , respectively. .
Question: in 2019, what was the total of the foreign pension plan?
Answer: 21.7
Question: and what was that total for the domestic one?
Answer: 14.5
Question: how much, then, did the foreign plan total represent in relation to this domestic one?
Answer: 1.49655
Question: and for that year and the four subsequent ones, what was the combined total of this domestic plan?
Answer: 47.4
Question: and what is this difference between this total and the total of that plan for 2024-2028?

10.7