Finding the Fourth Proportional to 1,492,992,134.10, 2,239,488,201.15 and 457,844,793.30
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Solution
The fourth proportional to 1,492,992,134.10, 2,239,488,201.15 and 457,844,793.30 is: 686,767,189.95
Step by Step Solution
- Step 1: Write the proportion equation
1,492,992,134.10 : 2,239,488,201.15 = 457,844,793.30 : x - Step 2: Convert to fraction form
1,492,992,134.10/2,239,488,201.15 = 457,844,793.30/x - Step 3: Cross multiply
1,492,992,134.10x = 2,239,488,201.15 × 457,844,793.30 - Step 4: Simplify right side
1,492,992,134.10x = 1,025,338,012,553,310,592 - Step 5: Solve for x
x = 1,025,338,012,553,310,592/1,492,992,134.10 - Step 6: Final answer
x = 686,767,189.95
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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.