Home / 393,042,177.28-589,252,622.05-196,204,568.57

Finding the Fourth Proportional to 393,042,177.28, 589,252,622.05 and 196,204,568.57

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Solution

The fourth proportional to 393,042,177.28, 589,252,622.05 and 196,204,568.57 is: 294,151,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,042,177.28 : 589,252,622.05 = 196,204,568.57 : x
  2. Step 2: Convert to fraction form
    393,042,177.28/589,252,622.05 = 196,204,568.57/x
  3. Step 3: Cross multiply
    393,042,177.28x = 589,252,622.05 × 196,204,568.57
  4. Step 4: Simplify right side
    393,042,177.28x = 115,614,056,491,419,424
  5. Step 5: Solve for x
    x = 115,614,056,491,419,424/393,042,177.28
  6. Step 6: Final answer
    x = 294,151,781.09

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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.