Finding the Fourth Proportional to 9,912,338,882.12, 14,864,145,193.26 and 5,253,121,234.92
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Solution
The fourth proportional to 9,912,338,882.12, 14,864,145,193.26 and 5,253,121,234.92 is: 7,877,369,577.68
Step by Step Solution
- Step 1: Write the proportion equation
9,912,338,882.12 : 14,864,145,193.26 = 5,253,121,234.92 : x - Step 2: Convert to fraction form
9,912,338,882.12/14,864,145,193.26 = 5,253,121,234.92/x - Step 3: Cross multiply
9,912,338,882.12x = 14,864,145,193.26 × 5,253,121,234.92 - Step 4: Simplify right side
9,912,338,882.12x = 78,083,156,753,648,156,672 - Step 5: Solve for x
x = 78,083,156,753,648,156,672/9,912,338,882.12 - Step 6: Final answer
x = 7,877,369,577.68
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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.