Finding the Fourth Proportional to 4,680,573,175.12, 7,023,273,575.64 and 2,193,686,753.42
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Solution
The fourth proportional to 4,680,573,175.12, 7,023,273,575.64 and 2,193,686,753.42 is: 3,291,661,433.78
Step by Step Solution
- Step 1: Write the proportion equation
4,680,573,175.12 : 7,023,273,575.64 = 2,193,686,753.42 : x - Step 2: Convert to fraction form
4,680,573,175.12/7,023,273,575.64 = 2,193,686,753.42/x - Step 3: Cross multiply
4,680,573,175.12x = 7,023,273,575.64 × 2,193,686,753.42 - Step 4: Simplify right side
4,680,573,175.12x = 15,406,862,208,526,188,544 - Step 5: Solve for x
x = 15,406,862,208,526,188,544/4,680,573,175.12 - Step 6: Final answer
x = 3,291,661,433.78
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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.