Home / 314,930,766.30-472,396,149.45-303,451,640.70

Finding the Fourth Proportional to 314,930,766.30, 472,396,149.45 and 303,451,640.70

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Solution

The fourth proportional to 314,930,766.30, 472,396,149.45 and 303,451,640.70 is: 455,177,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,766.30 : 472,396,149.45 = 303,451,640.70 : x
  2. Step 2: Convert to fraction form
    314,930,766.30/472,396,149.45 = 303,451,640.70/x
  3. Step 3: Cross multiply
    314,930,766.30x = 472,396,149.45 × 303,451,640.70
  4. Step 4: Simplify right side
    314,930,766.30x = 143,349,386,610,964,896
  5. Step 5: Solve for x
    x = 143,349,386,610,964,896/314,930,766.30
  6. Step 6: Final answer
    x = 455,177,461.05

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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.