Home / 259,161,046.20-388,741,569.30-251,986,592.70

Finding the Fourth Proportional to 259,161,046.20, 388,741,569.30 and 251,986,592.70

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Solution

The fourth proportional to 259,161,046.20, 388,741,569.30 and 251,986,592.70 is: 377,979,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,161,046.20 : 388,741,569.30 = 251,986,592.70 : x
  2. Step 2: Convert to fraction form
    259,161,046.20/388,741,569.30 = 251,986,592.70/x
  3. Step 3: Cross multiply
    259,161,046.20x = 388,741,569.30 × 251,986,592.70
  4. Step 4: Simplify right side
    259,161,046.20x = 97,957,663,488,757,920
  5. Step 5: Solve for x
    x = 97,957,663,488,757,920/259,161,046.20
  6. Step 6: Final answer
    x = 377,979,889.05

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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.