Home / 525,679,997.48-725,661,772.64-327,539,387.92

Finding the Fourth Proportional to 525,679,997.48, 725,661,772.64 and 327,539,387.92

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Solution

The fourth proportional to 525,679,997.48, 725,661,772.64 and 327,539,387.92 is: 452,143,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,679,997.48 : 725,661,772.64 = 327,539,387.92 : x
  2. Step 2: Convert to fraction form
    525,679,997.48/725,661,772.64 = 327,539,387.92/x
  3. Step 3: Cross multiply
    525,679,997.48x = 725,661,772.64 × 327,539,387.92
  4. Step 4: Simplify right side
    525,679,997.48x = 237,682,812,847,447,808
  5. Step 5: Solve for x
    x = 237,682,812,847,447,808/525,679,997.48
  6. Step 6: Final answer
    x = 452,143,535.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.