Finding the Fourth Proportional to 1,461,479,195.40, 2,192,218,793.10 and 1,418,432,474.40
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Solution
The fourth proportional to 1,461,479,195.40, 2,192,218,793.10 and 1,418,432,474.40 is: 2,127,648,711.60
Step by Step Solution
- Step 1: Write the proportion equation
1,461,479,195.40 : 2,192,218,793.10 = 1,418,432,474.40 : x - Step 2: Convert to fraction form
1,461,479,195.40/2,192,218,793.10 = 1,418,432,474.40/x - Step 3: Cross multiply
1,461,479,195.40x = 2,192,218,793.10 × 1,418,432,474.40 - Step 4: Simplify right side
1,461,479,195.40x = 3,109,514,327,123,014,656 - Step 5: Solve for x
x = 3,109,514,327,123,014,656/1,461,479,195.40 - Step 6: Final answer
x = 2,127,648,711.60
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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.