Finding the Fourth Proportional to 681,472,793.01, 940,432,456.16 and 368,207,006.98
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Solution
The fourth proportional to 681,472,793.01, 940,432,456.16 and 368,207,006.98 is: 508,125,670.61
Step by Step Solution
- Step 1: Write the proportion equation
681,472,793.01 : 940,432,456.16 = 368,207,006.98 : x - Step 2: Convert to fraction form
681,472,793.01/940,432,456.16 = 368,207,006.98/x - Step 3: Cross multiply
681,472,793.01x = 940,432,456.16 × 368,207,006.98 - Step 4: Simplify right side
681,472,793.01x = 346,273,819,954,059,520 - Step 5: Solve for x
x = 346,273,819,954,059,520/681,472,793.01 - Step 6: Final answer
x = 508,125,670.61
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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.