Home / 397,730,404.20-595,587,836.70-317,108,836.20

Finding the Fourth Proportional to 397,730,404.20, 595,587,836.70 and 317,108,836.20

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Solution

The fourth proportional to 397,730,404.20, 595,587,836.70 and 317,108,836.20 is: 474,859,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,730,404.20 : 595,587,836.70 = 317,108,836.20 : x
  2. Step 2: Convert to fraction form
    397,730,404.20/595,587,836.70 = 317,108,836.20/x
  3. Step 3: Cross multiply
    397,730,404.20x = 595,587,836.70 × 317,108,836.20
  4. Step 4: Simplify right side
    397,730,404.20x = 188,866,165,750,812,672
  5. Step 5: Solve for x
    x = 188,866,165,750,812,672/397,730,404.20
  6. Step 6: Final answer
    x = 474,859,763.69

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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.