Home / 312,374,576.30-468,561,864.45-231,753,008.30

Finding the Fourth Proportional to 312,374,576.30, 468,561,864.45 and 231,753,008.30

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Solution

The fourth proportional to 312,374,576.30, 468,561,864.45 and 231,753,008.30 is: 347,629,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,374,576.30 : 468,561,864.45 = 231,753,008.30 : x
  2. Step 2: Convert to fraction form
    312,374,576.30/468,561,864.45 = 231,753,008.30/x
  3. Step 3: Cross multiply
    312,374,576.30x = 468,561,864.45 × 231,753,008.30
  4. Step 4: Simplify right side
    312,374,576.30x = 108,590,621,660,944,320
  5. Step 5: Solve for x
    x = 108,590,621,660,944,320/312,374,576.30
  6. Step 6: Final answer
    x = 347,629,512.45

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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.