Home / 399,217,013.40-597,929,724.90-327,553,397.40

Finding the Fourth Proportional to 399,217,013.40, 597,929,724.90 and 327,553,397.40

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Solution

The fourth proportional to 399,217,013.40, 597,929,724.90 and 327,553,397.40 is: 490,595,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,217,013.40 : 597,929,724.90 = 327,553,397.40 : x
  2. Step 2: Convert to fraction form
    399,217,013.40/597,929,724.90 = 327,553,397.40/x
  3. Step 3: Cross multiply
    399,217,013.40x = 597,929,724.90 × 327,553,397.40
  4. Step 4: Simplify right side
    399,217,013.40x = 195,853,912,797,442,368
  5. Step 5: Solve for x
    x = 195,853,912,797,442,368/399,217,013.40
  6. Step 6: Final answer
    x = 490,595,105.48

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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.