Finding the Fourth Proportional to 1,644,336,997.08, 2,465,520,471.90 and 523,376,425.95
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Solution
The fourth proportional to 1,644,336,997.08, 2,465,520,471.90 and 523,376,425.95 is: 784,751,115.48
Step by Step Solution
- Step 1: Write the proportion equation
1,644,336,997.08 : 2,465,520,471.90 = 523,376,425.95 : x - Step 2: Convert to fraction form
1,644,336,997.08/2,465,520,471.90 = 523,376,425.95/x - Step 3: Cross multiply
1,644,336,997.08x = 2,465,520,471.90 × 523,376,425.95 - Step 4: Simplify right side
1,644,336,997.08x = 1,290,395,292,689,579,520 - Step 5: Solve for x
x = 1,290,395,292,689,579,520/1,644,336,997.08 - Step 6: Final answer
x = 784,751,115.48
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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.