Finding the Fourth Proportional to 173,840,257,429.20, 260,760,386,143.80 and 168,942,497,173.20
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Solution
The fourth proportional to 173,840,257,429.20, 260,760,386,143.80 and 168,942,497,173.20 is: 253,413,745,759.80
Step by Step Solution
- Step 1: Write the proportion equation
173,840,257,429.20 : 260,760,386,143.80 = 168,942,497,173.20 : x - Step 2: Convert to fraction form
173,840,257,429.20/260,760,386,143.80 = 168,942,497,173.20/x - Step 3: Cross multiply
173,840,257,429.20x = 260,760,386,143.80 × 168,942,497,173.20 - Step 4: Simplify right side
173,840,257,429.20x = 44,053,510,798,981,472,452,608 - Step 5: Solve for x
x = 44,053,510,798,981,472,452,608/173,840,257,429.20 - Step 6: Final answer
x = 253,413,745,759.80
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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.