Finding the Fourth Proportional to 614,653,513.92, 921,981,845.52 and 251,147,869.92
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Solution
The fourth proportional to 614,653,513.92, 921,981,845.52 and 251,147,869.92 is: 376,722,448.28
Step by Step Solution
- Step 1: Write the proportion equation
614,653,513.92 : 921,981,845.52 = 251,147,869.92 : x - Step 2: Convert to fraction form
614,653,513.92/921,981,845.52 = 251,147,869.92/x - Step 3: Cross multiply
614,653,513.92x = 921,981,845.52 × 251,147,869.92 - Step 4: Simplify right side
614,653,513.92x = 231,553,776,607,258,464 - Step 5: Solve for x
x = 231,553,776,607,258,464/614,653,513.92 - Step 6: Final answer
x = 376,722,448.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.