Finding the Fourth Proportional to 1,337,472,049.80, 2,006,208,074.70 and 814,454,389.65
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Solution
The fourth proportional to 1,337,472,049.80, 2,006,208,074.70 and 814,454,389.65 is: 1,221,681,584.48
Step by Step Solution
- Step 1: Write the proportion equation
1,337,472,049.80 : 2,006,208,074.70 = 814,454,389.65 : x - Step 2: Convert to fraction form
1,337,472,049.80/2,006,208,074.70 = 814,454,389.65/x - Step 3: Cross multiply
1,337,472,049.80x = 2,006,208,074.70 × 814,454,389.65 - Step 4: Simplify right side
1,337,472,049.80x = 1,633,964,972,990,690,048 - Step 5: Solve for x
x = 1,633,964,972,990,690,048/1,337,472,049.80 - Step 6: Final answer
x = 1,221,681,584.48
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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.