Home / 508,700,280.70-763,050,421.05-125,747,832.70

Finding the Fourth Proportional to 508,700,280.70, 763,050,421.05 and 125,747,832.70

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Solution

The fourth proportional to 508,700,280.70, 763,050,421.05 and 125,747,832.70 is: 188,621,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,700,280.70 : 763,050,421.05 = 125,747,832.70 : x
  2. Step 2: Convert to fraction form
    508,700,280.70/763,050,421.05 = 125,747,832.70/x
  3. Step 3: Cross multiply
    508,700,280.70x = 763,050,421.05 × 125,747,832.70
  4. Step 4: Simplify right side
    508,700,280.70x = 95,951,936,687,859,952
  5. Step 5: Solve for x
    x = 95,951,936,687,859,952/508,700,280.70
  6. Step 6: Final answer
    x = 188,621,749.05

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Double scale
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Similar ratio
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1.5x scale

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.