Home / 461,901,540.32-637,418,729.40-250,204,379.12

Finding the Fourth Proportional to 461,901,540.32, 637,418,729.40 and 250,204,379.12

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Solution

The fourth proportional to 461,901,540.32, 637,418,729.40 and 250,204,379.12 is: 345,279,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,901,540.32 : 637,418,729.40 = 250,204,379.12 : x
  2. Step 2: Convert to fraction form
    461,901,540.32/637,418,729.40 = 250,204,379.12/x
  3. Step 3: Cross multiply
    461,901,540.32x = 637,418,729.40 × 250,204,379.12
  4. Step 4: Simplify right side
    461,901,540.32x = 159,484,957,428,986,272
  5. Step 5: Solve for x
    x = 159,484,957,428,986,272/461,901,540.32
  6. Step 6: Final answer
    x = 345,279,120.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.