Home / 485,092,571.38-727,347,962.45-222,448,098.93

Finding the Fourth Proportional to 485,092,571.38, 727,347,962.45 and 222,448,098.93

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Solution

The fourth proportional to 485,092,571.38, 727,347,962.45 and 222,448,098.93 is: 333,538,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,092,571.38 : 727,347,962.45 = 222,448,098.93 : x
  2. Step 2: Convert to fraction form
    485,092,571.38/727,347,962.45 = 222,448,098.93/x
  3. Step 3: Cross multiply
    485,092,571.38x = 727,347,962.45 × 222,448,098.93
  4. Step 4: Simplify right side
    485,092,571.38x = 161,797,171,504,817,248
  5. Step 5: Solve for x
    x = 161,797,171,504,817,248/485,092,571.38
  6. Step 6: Final answer
    x = 333,538,753.32

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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.