Finding the Fourth Proportional to 3,516,491,225.20, 5,274,736,837.80 and 896,290,265.20
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Solution
The fourth proportional to 3,516,491,225.20, 5,274,736,837.80 and 896,290,265.20 is: 1,344,435,397.80
Step by Step Solution
- Step 1: Write the proportion equation
3,516,491,225.20 : 5,274,736,837.80 = 896,290,265.20 : x - Step 2: Convert to fraction form
3,516,491,225.20/5,274,736,837.80 = 896,290,265.20/x - Step 3: Cross multiply
3,516,491,225.20x = 5,274,736,837.80 × 896,290,265.20 - Step 4: Simplify right side
3,516,491,225.20x = 4,727,695,279,211,971,584 - Step 5: Solve for x
x = 4,727,695,279,211,971,584/3,516,491,225.20 - Step 6: Final answer
x = 1,344,435,397.80
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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.