Home / 392,725,170-589,172,789.88-150,388,082.64

Finding the Fourth Proportional to 392,725,170, 589,172,789.88 and 150,388,082.64

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Solution

The fourth proportional to 392,725,170, 589,172,789.88 and 150,388,082.64 is: 225,614,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,725,170 : 589,172,789.88 = 150,388,082.64 : x
  2. Step 2: Convert to fraction form
    392,725,170/589,172,789.88 = 150,388,082.64/x
  3. Step 3: Cross multiply
    392,725,170x = 589,172,789.88 × 150,388,082.64
  4. Step 4: Simplify right side
    392,725,170x = 88,604,566,213,712,784
  5. Step 5: Solve for x
    x = 88,604,566,213,712,784/392,725,170
  6. Step 6: Final answer
    x = 225,614,686.76

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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.