Finding the Fourth Proportional to 580,608,843.80, 870,913,265.70 and 257,492,715.80
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Solution
The fourth proportional to 580,608,843.80, 870,913,265.70 and 257,492,715.80 is: 386,239,073.70
Step by Step Solution
- Step 1: Write the proportion equation
580,608,843.80 : 870,913,265.70 = 257,492,715.80 : x - Step 2: Convert to fraction form
580,608,843.80/870,913,265.70 = 257,492,715.80/x - Step 3: Cross multiply
580,608,843.80x = 870,913,265.70 × 257,492,715.80 - Step 4: Simplify right side
580,608,843.80x = 224,253,822,011,340,000 - Step 5: Solve for x
x = 224,253,822,011,340,000/580,608,843.80 - Step 6: Final answer
x = 386,239,073.70
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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.