Finding the Fourth Proportional to 2,452,107,011.20, 3,678,160,516.80 and 2,186,055,836.80
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Solution
The fourth proportional to 2,452,107,011.20, 3,678,160,516.80 and 2,186,055,836.80 is: 3,279,083,755.20
Step by Step Solution
- Step 1: Write the proportion equation
2,452,107,011.20 : 3,678,160,516.80 = 2,186,055,836.80 : x - Step 2: Convert to fraction form
2,452,107,011.20/3,678,160,516.80 = 2,186,055,836.80/x - Step 3: Cross multiply
2,452,107,011.20x = 3,678,160,516.80 × 2,186,055,836.80 - Step 4: Simplify right side
2,452,107,011.20x = 8,040,664,266,437,945,344 - Step 5: Solve for x
x = 8,040,664,266,437,945,344/2,452,107,011.20 - Step 6: Final answer
x = 3,279,083,755.20
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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.