Home / 508,700,049.70-763,050,074.55-125,747,601.70

Finding the Fourth Proportional to 508,700,049.70, 763,050,074.55 and 125,747,601.70

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Solution

The fourth proportional to 508,700,049.70, 763,050,074.55 and 125,747,601.70 is: 188,621,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,700,049.70 : 763,050,074.55 = 125,747,601.70 : x
  2. Step 2: Convert to fraction form
    508,700,049.70/763,050,074.55 = 125,747,601.70/x
  3. Step 3: Cross multiply
    508,700,049.70x = 763,050,074.55 × 125,747,601.70
  4. Step 4: Simplify right side
    508,700,049.70x = 95,951,716,851,668,704
  5. Step 5: Solve for x
    x = 95,951,716,851,668,704/508,700,049.70
  6. Step 6: Final answer
    x = 188,621,402.55

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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.