Home / 391,825,434.72-541,464,839.28-293,870,229.60

Finding the Fourth Proportional to 391,825,434.72, 541,464,839.28 and 293,870,229.60

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Solution

The fourth proportional to 391,825,434.72, 541,464,839.28 and 293,870,229.60 is: 406,100,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,825,434.72 : 541,464,839.28 = 293,870,229.60 : x
  2. Step 2: Convert to fraction form
    391,825,434.72/541,464,839.28 = 293,870,229.60/x
  3. Step 3: Cross multiply
    391,825,434.72x = 541,464,839.28 × 293,870,229.60
  4. Step 4: Simplify right side
    391,825,434.72x = 159,120,396,639,540,704
  5. Step 5: Solve for x
    x = 159,120,396,639,540,704/391,825,434.72
  6. Step 6: Final answer
    x = 406,100,223.57

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