Finding the Fourth Proportional to 1,092,981,165.28, 1,639,470,462.99 and 356,049,863.98
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Solution
The fourth proportional to 1,092,981,165.28, 1,639,470,462.99 and 356,049,863.98 is: 534,074,377.39
Step by Step Solution
- Step 1: Write the proportion equation
1,092,981,165.28 : 1,639,470,462.99 = 356,049,863.98 : x - Step 2: Convert to fraction form
1,092,981,165.28/1,639,470,462.99 = 356,049,863.98/x - Step 3: Cross multiply
1,092,981,165.28x = 1,639,470,462.99 × 356,049,863.98 - Step 4: Simplify right side
1,092,981,165.28x = 583,733,235,346,817,152 - Step 5: Solve for x
x = 583,733,235,346,817,152/1,092,981,165.28 - Step 6: Final answer
x = 534,074,377.39
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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.