Finding the Fourth Proportional to 297,327,847.92, 410,324,087.28 and 203,438,923.68
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Solution
The fourth proportional to 297,327,847.92, 410,324,087.28 and 203,438,923.68 is: 280,753,690.78
Step by Step Solution
- Step 1: Write the proportion equation
297,327,847.92 : 410,324,087.28 = 203,438,923.68 : x - Step 2: Convert to fraction form
297,327,847.92/410,324,087.28 = 203,438,923.68/x - Step 3: Cross multiply
297,327,847.92x = 410,324,087.28 × 203,438,923.68 - Step 4: Simplify right side
297,327,847.92x = 83,475,890,676,221,568 - Step 5: Solve for x
x = 83,475,890,676,221,568/297,327,847.92 - Step 6: Final answer
x = 280,753,690.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.