Finding the Fourth Proportional to 391,367,099.97, 587,050,759.08 and 115,018,299.18
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Solution
The fourth proportional to 391,367,099.97, 587,050,759.08 and 115,018,299.18 is: 172,527,480.84
Step by Step Solution
- Step 1: Write the proportion equation
391,367,099.97 : 587,050,759.08 = 115,018,299.18 : x - Step 2: Convert to fraction form
391,367,099.97/587,050,759.08 = 115,018,299.18/x - Step 3: Cross multiply
391,367,099.97x = 587,050,759.08 × 115,018,299.18 - Step 4: Simplify right side
391,367,099.97x = 67,521,579,841,709,552 - Step 5: Solve for x
x = 67,521,579,841,709,552/391,367,099.97 - Step 6: Final answer
x = 172,527,480.84
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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.