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Finding the Fourth Proportional to 477,653,773.23, 716,753,687.69 and 259,321,867.20

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Solution

The fourth proportional to 477,653,773.23, 716,753,687.69 and 259,321,867.20 is: 389,131,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,653,773.23 : 716,753,687.69 = 259,321,867.20 : x
  2. Step 2: Convert to fraction form
    477,653,773.23/716,753,687.69 = 259,321,867.20/x
  3. Step 3: Cross multiply
    477,653,773.23x = 716,753,687.69 × 259,321,867.20
  4. Step 4: Simplify right side
    477,653,773.23x = 185,869,904,614,256,448
  5. Step 5: Solve for x
    x = 185,869,904,614,256,448/477,653,773.23
  6. Step 6: Final answer
    x = 389,131,029.69

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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.