Finding the Fourth Proportional to 378,478,348.74, 567,713,737.17 and 119,693,613.06
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Solution
The fourth proportional to 378,478,348.74, 567,713,737.17 and 119,693,613.06 is: 179,539,222.29
Step by Step Solution
- Step 1: Write the proportion equation
378,478,348.74 : 567,713,737.17 = 119,693,613.06 : x - Step 2: Convert to fraction form
378,478,348.74/567,713,737.17 = 119,693,613.06/x - Step 3: Cross multiply
378,478,348.74x = 567,713,737.17 × 119,693,613.06 - Step 4: Simplify right side
378,478,348.74x = 67,951,708,385,672,512 - Step 5: Solve for x
x = 67,951,708,385,672,512/378,478,348.74 - Step 6: Final answer
x = 179,539,222.29
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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.