Home / 314,930,704.80-472,396,057.20-192,486,698.40

Finding the Fourth Proportional to 314,930,704.80, 472,396,057.20 and 192,486,698.40

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Solution

The fourth proportional to 314,930,704.80, 472,396,057.20 and 192,486,698.40 is: 288,730,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,704.80 : 472,396,057.20 = 192,486,698.40 : x
  2. Step 2: Convert to fraction form
    314,930,704.80/472,396,057.20 = 192,486,698.40/x
  3. Step 3: Cross multiply
    314,930,704.80x = 472,396,057.20 × 192,486,698.40
  4. Step 4: Simplify right side
    314,930,704.80x = 90,929,957,387,605,552
  5. Step 5: Solve for x
    x = 90,929,957,387,605,552/314,930,704.80
  6. Step 6: Final answer
    x = 288,730,047.60

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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.