Home / 764,777,490.80-1,147,164,486.36-327,794,828.72

Finding the Fourth Proportional to 764,777,490.80, 1,147,164,486.36 and 327,794,828.72

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Solution

The fourth proportional to 764,777,490.80, 1,147,164,486.36 and 327,794,828.72 is: 491,691,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,777,490.80 : 1,147,164,486.36 = 327,794,828.72 : x
  2. Step 2: Convert to fraction form
    764,777,490.80/1,147,164,486.36 = 327,794,828.72/x
  3. Step 3: Cross multiply
    764,777,490.80x = 1,147,164,486.36 × 327,794,828.72
  4. Step 4: Simplify right side
    764,777,490.80x = 376,034,586,320,042,944
  5. Step 5: Solve for x
    x = 376,034,586,320,042,944/764,777,490.80
  6. Step 6: Final answer
    x = 491,691,493.07

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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.