Finding the Fourth Proportional to 574,530,760.08, 861,917,190.84 and 186,323,320.80
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Solution
The fourth proportional to 574,530,760.08, 861,917,190.84 and 186,323,320.80 is: 279,524,238.58
Step by Step Solution
- Step 1: Write the proportion equation
574,530,760.08 : 861,917,190.84 = 186,323,320.80 : x - Step 2: Convert to fraction form
574,530,760.08/861,917,190.84 = 186,323,320.80/x - Step 3: Cross multiply
574,530,760.08x = 861,917,190.84 × 186,323,320.80 - Step 4: Simplify right side
574,530,760.08x = 160,595,273,251,916,160 - Step 5: Solve for x
x = 160,595,273,251,916,160/574,530,760.08 - Step 6: Final answer
x = 279,524,238.58
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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.