Home / 458,303,780.97-687,448,940.30-113,257,398.69

Finding the Fourth Proportional to 458,303,780.97, 687,448,940.30 and 113,257,398.69

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Solution

The fourth proportional to 458,303,780.97, 687,448,940.30 and 113,257,398.69 is: 169,884,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,303,780.97 : 687,448,940.30 = 113,257,398.69 : x
  2. Step 2: Convert to fraction form
    458,303,780.97/687,448,940.30 = 113,257,398.69/x
  3. Step 3: Cross multiply
    458,303,780.97x = 687,448,940.30 × 113,257,398.69
  4. Step 4: Simplify right side
    458,303,780.97x = 77,858,678,710,008,816
  5. Step 5: Solve for x
    x = 77,858,678,710,008,816/458,303,780.97
  6. Step 6: Final answer
    x = 169,884,434.61

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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.