Home / 314,930,819.80-472,396,229.70-228,199,648.60

Finding the Fourth Proportional to 314,930,819.80, 472,396,229.70 and 228,199,648.60

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Solution

The fourth proportional to 314,930,819.80, 472,396,229.70 and 228,199,648.60 is: 342,299,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,819.80 : 472,396,229.70 = 228,199,648.60 : x
  2. Step 2: Convert to fraction form
    314,930,819.80/472,396,229.70 = 228,199,648.60/x
  3. Step 3: Cross multiply
    314,930,819.80x = 472,396,229.70 × 228,199,648.60
  4. Step 4: Simplify right side
    314,930,819.80x = 107,800,653,617,504,880
  5. Step 5: Solve for x
    x = 107,800,653,617,504,880/314,930,819.80
  6. Step 6: Final answer
    x = 342,299,472.90

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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.