Home / 764,931,410.60-1,147,397,115.90-247,414,164.80

Finding the Fourth Proportional to 764,931,410.60, 1,147,397,115.90 and 247,414,164.80

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Solution

The fourth proportional to 764,931,410.60, 1,147,397,115.90 and 247,414,164.80 is: 371,121,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,931,410.60 : 1,147,397,115.90 = 247,414,164.80 : x
  2. Step 2: Convert to fraction form
    764,931,410.60/1,147,397,115.90 = 247,414,164.80/x
  3. Step 3: Cross multiply
    764,931,410.60x = 1,147,397,115.90 × 247,414,164.80
  4. Step 4: Simplify right side
    764,931,410.60x = 283,882,299,124,327,328
  5. Step 5: Solve for x
    x = 283,882,299,124,327,328/764,931,410.60
  6. Step 6: Final answer
    x = 371,121,247.20

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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.