Finding the Fourth Proportional to 418,588,317.14, 627,882,475.49 and 156,293,351.98
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Solution
The fourth proportional to 418,588,317.14, 627,882,475.49 and 156,293,351.98 is: 234,440,027.89
Step by Step Solution
- Step 1: Write the proportion equation
418,588,317.14 : 627,882,475.49 = 156,293,351.98 : x - Step 2: Convert to fraction form
418,588,317.14/627,882,475.49 = 156,293,351.98/x - Step 3: Cross multiply
418,588,317.14x = 627,882,475.49 × 156,293,351.98 - Step 4: Simplify right side
418,588,317.14x = 98,133,856,744,269,184 - Step 5: Solve for x
x = 98,133,856,744,269,184/418,588,317.14 - Step 6: Final answer
x = 234,440,027.89
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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.