Finding the Fourth Proportional to 331,681,115.10, 497,521,672.65 and 293,417,363.10
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Solution
The fourth proportional to 331,681,115.10, 497,521,672.65 and 293,417,363.10 is: 440,126,044.65
Step by Step Solution
- Step 1: Write the proportion equation
331,681,115.10 : 497,521,672.65 = 293,417,363.10 : x - Step 2: Convert to fraction form
331,681,115.10/497,521,672.65 = 293,417,363.10/x - Step 3: Cross multiply
331,681,115.10x = 497,521,672.65 × 293,417,363.10 - Step 4: Simplify right side
331,681,115.10x = 145,981,497,274,064,384 - Step 5: Solve for x
x = 145,981,497,274,064,384/331,681,115.10 - Step 6: Final answer
x = 440,126,044.65
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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.