Home / 396,986,469,876.20-595,479,704,814.30-98,866,403,590.70

Finding the Fourth Proportional to 396,986,469,876.20, 595,479,704,814.30 and 98,866,403,590.70

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Solution

The fourth proportional to 396,986,469,876.20, 595,479,704,814.30 and 98,866,403,590.70 is: 148,299,605,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,986,469,876.20 : 595,479,704,814.30 = 98,866,403,590.70 : x
  2. Step 2: Convert to fraction form
    396,986,469,876.20/595,479,704,814.30 = 98,866,403,590.70/x
  3. Step 3: Cross multiply
    396,986,469,876.20x = 595,479,704,814.30 × 98,866,403,590.70
  4. Step 4: Simplify right side
    396,986,469,876.20x = 58,872,936,826,241,487,470,592
  5. Step 5: Solve for x
    x = 58,872,936,826,241,487,470,592/396,986,469,876.20
  6. Step 6: Final answer
    x = 148,299,605,386.05

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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.