Home / 398,606,512.20-597,909,768.30-296,569,840.20

Finding the Fourth Proportional to 398,606,512.20, 597,909,768.30 and 296,569,840.20

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Solution

The fourth proportional to 398,606,512.20, 597,909,768.30 and 296,569,840.20 is: 444,854,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,606,512.20 : 597,909,768.30 = 296,569,840.20 : x
  2. Step 2: Convert to fraction form
    398,606,512.20/597,909,768.30 = 296,569,840.20/x
  3. Step 3: Cross multiply
    398,606,512.20x = 597,909,768.30 × 296,569,840.20
  4. Step 4: Simplify right side
    398,606,512.20x = 177,322,004,438,750,016
  5. Step 5: Solve for x
    x = 177,322,004,438,750,016/398,606,512.20
  6. Step 6: Final answer
    x = 444,854,760.30

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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.