Home / 412,777,288.96-619,255,512.96-125,555,488

Finding the Fourth Proportional to 412,777,288.96, 619,255,512.96 and 125,555,488

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Solution

The fourth proportional to 412,777,288.96, 619,255,512.96 and 125,555,488 is: 188,360,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,777,288.96 : 619,255,512.96 = 125,555,488 : x
  2. Step 2: Convert to fraction form
    412,777,288.96/619,255,512.96 = 125,555,488/x
  3. Step 3: Cross multiply
    412,777,288.96x = 619,255,512.96 × 125,555,488
  4. Step 4: Simplify right side
    412,777,288.96x = 77,750,928,126,383,136
  5. Step 5: Solve for x
    x = 77,750,928,126,383,136/412,777,288.96
  6. Step 6: Final answer
    x = 188,360,479.62

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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.