Finding the Fourth Proportional to 461,489,663.40, 636,753,921.12 and 273,224,474.82
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Solution
The fourth proportional to 461,489,663.40, 636,753,921.12 and 273,224,474.82 is: 376,989,496.16
Step by Step Solution
- Step 1: Write the proportion equation
461,489,663.40 : 636,753,921.12 = 273,224,474.82 : x - Step 2: Convert to fraction form
461,489,663.40/636,753,921.12 = 273,224,474.82/x - Step 3: Cross multiply
461,489,663.40x = 636,753,921.12 × 273,224,474.82 - Step 4: Simplify right side
461,489,663.40x = 173,976,755,687,587,712 - Step 5: Solve for x
x = 173,976,755,687,587,712/461,489,663.40 - Step 6: Final answer
x = 376,989,496.16
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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.