Finding the Fourth Proportional to 52,743,789,872.10, 79,115,684,808.15 and 19,612,482,473.70
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Solution
The fourth proportional to 52,743,789,872.10, 79,115,684,808.15 and 19,612,482,473.70 is: 29,418,723,710.55
Step by Step Solution
- Step 1: Write the proportion equation
52,743,789,872.10 : 79,115,684,808.15 = 19,612,482,473.70 : x - Step 2: Convert to fraction form
52,743,789,872.10/79,115,684,808.15 = 19,612,482,473.70/x - Step 3: Cross multiply
52,743,789,872.10x = 79,115,684,808.15 × 19,612,482,473.70 - Step 4: Simplify right side
52,743,789,872.10x = 1,551,654,981,694,615,191,552 - Step 5: Solve for x
x = 1,551,654,981,694,615,191,552/52,743,789,872.10 - Step 6: Final answer
x = 29,418,723,710.55
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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.