Finding the Fourth Proportional to 574,777,259.70, 862,165,889.55 and 332,912,555.70
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Solution
The fourth proportional to 574,777,259.70, 862,165,889.55 and 332,912,555.70 is: 499,368,833.55
Step by Step Solution
- Step 1: Write the proportion equation
574,777,259.70 : 862,165,889.55 = 332,912,555.70 : x - Step 2: Convert to fraction form
574,777,259.70/862,165,889.55 = 332,912,555.70/x - Step 3: Cross multiply
574,777,259.70x = 862,165,889.55 × 332,912,555.70 - Step 4: Simplify right side
574,777,259.70x = 287,025,849,727,454,400 - Step 5: Solve for x
x = 287,025,849,727,454,400/574,777,259.70 - Step 6: Final answer
x = 499,368,833.55
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Double scale
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Similar ratio
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1.5x scale
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.