Finding the Fourth Proportional to 2,821,745,306.20, 4,227,516,125.70 and 2,413,598,618.20
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Solution
The fourth proportional to 2,821,745,306.20, 4,227,516,125.70 and 2,413,598,618.20 is: 3,616,034,039.99
Step by Step Solution
- Step 1: Write the proportion equation
2,821,745,306.20 : 4,227,516,125.70 = 2,413,598,618.20 : x - Step 2: Convert to fraction form
2,821,745,306.20/4,227,516,125.70 = 2,413,598,618.20/x - Step 3: Cross multiply
2,821,745,306.20x = 4,227,516,125.70 × 2,413,598,618.20 - Step 4: Simplify right side
2,821,745,306.20x = 10,203,527,079,407,736,832 - Step 5: Solve for x
x = 10,203,527,079,407,736,832/2,821,745,306.20 - Step 6: Final answer
x = 3,616,034,039.99
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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.