Finding the Fourth Proportional to 427,602,691.14, 641,169,695.94 and 132,415,864.14
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Solution
The fourth proportional to 427,602,691.14, 641,169,695.94 and 132,415,864.14 is: 198,551,227.83
Step by Step Solution
- Step 1: Write the proportion equation
427,602,691.14 : 641,169,695.94 = 132,415,864.14 : x - Step 2: Convert to fraction form
427,602,691.14/641,169,695.94 = 132,415,864.14/x - Step 3: Cross multiply
427,602,691.14x = 641,169,695.94 × 132,415,864.14 - Step 4: Simplify right side
427,602,691.14x = 84,901,039,348,276,160 - Step 5: Solve for x
x = 84,901,039,348,276,160/427,602,691.14 - Step 6: Final answer
x = 198,551,227.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.