Finding the Fourth Proportional to 1,847,157,781,217.10, 2,768,797,125,186.80 and 621,491,382,486.63
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Solution
The fourth proportional to 1,847,157,781,217.10, 2,768,797,125,186.80 and 621,491,382,486.63 is: 931,584,497,358.70
Step by Step Solution
- Step 1: Write the proportion equation
1,847,157,781,217.10 : 2,768,797,125,186.80 = 621,491,382,486.63 : x - Step 2: Convert to fraction form
1,847,157,781,217.10/2,768,797,125,186.80 = 621,491,382,486.63/x - Step 3: Cross multiply
1,847,157,781,217.10x = 2,768,797,125,186.80 × 621,491,382,486.63 - Step 4: Simplify right side
1,847,157,781,217.10x = 1,720,783,553,157,350,981,369,856 - Step 5: Solve for x
x = 1,720,783,553,157,350,981,369,856/1,847,157,781,217.10 - Step 6: Final answer
x = 931,584,497,358.70
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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.