Home / 764,952,005.10-1,147,428,007.65-247,753,623.90

Finding the Fourth Proportional to 764,952,005.10, 1,147,428,007.65 and 247,753,623.90

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Solution

The fourth proportional to 764,952,005.10, 1,147,428,007.65 and 247,753,623.90 is: 371,630,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,952,005.10 : 1,147,428,007.65 = 247,753,623.90 : x
  2. Step 2: Convert to fraction form
    764,952,005.10/1,147,428,007.65 = 247,753,623.90/x
  3. Step 3: Cross multiply
    764,952,005.10x = 1,147,428,007.65 × 247,753,623.90
  4. Step 4: Simplify right side
    764,952,005.10x = 284,279,447,059,644,448
  5. Step 5: Solve for x
    x = 284,279,447,059,644,448/764,952,005.10
  6. Step 6: Final answer
    x = 371,630,435.85

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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.