Finding the Fourth Proportional to 598,269,432.40, 897,474,132.60 and 189,366,917.20
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Solution
The fourth proportional to 598,269,432.40, 897,474,132.60 and 189,366,917.20 is: 284,072,527.45
Step by Step Solution
- Step 1: Write the proportion equation
598,269,432.40 : 897,474,132.60 = 189,366,917.20 : x - Step 2: Convert to fraction form
598,269,432.40/897,474,132.60 = 189,366,917.20/x - Step 3: Cross multiply
598,269,432.40x = 897,474,132.60 × 189,366,917.20 - Step 4: Simplify right side
598,269,432.40x = 169,951,909,757,206,016 - Step 5: Solve for x
x = 169,951,909,757,206,016/598,269,432.40 - Step 6: Final answer
x = 284,072,527.45
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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.