Home / 764,931,401.10-1,147,397,101.65-247,414,155.30

Finding the Fourth Proportional to 764,931,401.10, 1,147,397,101.65 and 247,414,155.30

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Solution

The fourth proportional to 764,931,401.10, 1,147,397,101.65 and 247,414,155.30 is: 371,121,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,931,401.10 : 1,147,397,101.65 = 247,414,155.30 : x
  2. Step 2: Convert to fraction form
    764,931,401.10/1,147,397,101.65 = 247,414,155.30/x
  3. Step 3: Cross multiply
    764,931,401.10x = 1,147,397,101.65 × 247,414,155.30
  4. Step 4: Simplify right side
    764,931,401.10x = 283,882,284,698,403,008
  5. Step 5: Solve for x
    x = 283,882,284,698,403,008/764,931,401.10
  6. Step 6: Final answer
    x = 371,121,232.95

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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.