Home / 314,930,606.20-472,395,909.30-185,471,578.60

Finding the Fourth Proportional to 314,930,606.20, 472,395,909.30 and 185,471,578.60

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Solution

The fourth proportional to 314,930,606.20, 472,395,909.30 and 185,471,578.60 is: 278,207,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,606.20 : 472,395,909.30 = 185,471,578.60 : x
  2. Step 2: Convert to fraction form
    314,930,606.20/472,395,909.30 = 185,471,578.60/x
  3. Step 3: Cross multiply
    314,930,606.20x = 472,395,909.30 × 185,471,578.60
  4. Step 4: Simplify right side
    314,930,606.20x = 87,616,015,022,053,424
  5. Step 5: Solve for x
    x = 87,616,015,022,053,424/314,930,606.20
  6. Step 6: Final answer
    x = 278,207,367.90

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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.