Home / 354,194,531.28-488,945,186.49-228,807,862.92

Finding the Fourth Proportional to 354,194,531.28, 488,945,186.49 and 228,807,862.92

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Solution

The fourth proportional to 354,194,531.28, 488,945,186.49 and 228,807,862.92 is: 315,856,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,194,531.28 : 488,945,186.49 = 228,807,862.92 : x
  2. Step 2: Convert to fraction form
    354,194,531.28/488,945,186.49 = 228,807,862.92/x
  3. Step 3: Cross multiply
    354,194,531.28x = 488,945,186.49 × 228,807,862.92
  4. Step 4: Simplify right side
    354,194,531.28x = 111,874,503,205,797,744
  5. Step 5: Solve for x
    x = 111,874,503,205,797,744/354,194,531.28
  6. Step 6: Final answer
    x = 315,856,099.76

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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.