Finding the Fourth Proportional to 868,279,717.10, 1,198,233,577.49 and 471,802,705.31
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Solution
The fourth proportional to 868,279,717.10, 1,198,233,577.49 and 471,802,705.31 is: 651,091,845.54
Step by Step Solution
- Step 1: Write the proportion equation
868,279,717.10 : 1,198,233,577.49 = 471,802,705.31 : x - Step 2: Convert to fraction form
868,279,717.10/1,198,233,577.49 = 471,802,705.31/x - Step 3: Cross multiply
868,279,717.10x = 1,198,233,577.49 × 471,802,705.31 - Step 4: Simplify right side
868,279,717.10x = 565,329,843,453,061,504 - Step 5: Solve for x
x = 565,329,843,453,061,504/868,279,717.10 - Step 6: Final answer
x = 651,091,845.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.