Home / 314,930,800.20-472,396,200.30-185,471,772.60

Finding the Fourth Proportional to 314,930,800.20, 472,396,200.30 and 185,471,772.60

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Solution

The fourth proportional to 314,930,800.20, 472,396,200.30 and 185,471,772.60 is: 278,207,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,800.20 : 472,396,200.30 = 185,471,772.60 : x
  2. Step 2: Convert to fraction form
    314,930,800.20/472,396,200.30 = 185,471,772.60/x
  3. Step 3: Cross multiply
    314,930,800.20x = 472,396,200.30 × 185,471,772.60
  4. Step 4: Simplify right side
    314,930,800.20x = 87,616,160,639,145,648
  5. Step 5: Solve for x
    x = 87,616,160,639,145,648/314,930,800.20
  6. Step 6: Final answer
    x = 278,207,658.90

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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.