Home / 513,104,101.20-769,656,151.80-448,534,019.70

Finding the Fourth Proportional to 513,104,101.20, 769,656,151.80 and 448,534,019.70

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Solution

The fourth proportional to 513,104,101.20, 769,656,151.80 and 448,534,019.70 is: 672,801,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,104,101.20 : 769,656,151.80 = 448,534,019.70 : x
  2. Step 2: Convert to fraction form
    513,104,101.20/769,656,151.80 = 448,534,019.70/x
  3. Step 3: Cross multiply
    513,104,101.20x = 769,656,151.80 × 448,534,019.70
  4. Step 4: Simplify right side
    513,104,101.20x = 345,216,967,553,687,360
  5. Step 5: Solve for x
    x = 345,216,967,553,687,360/513,104,101.20
  6. Step 6: Final answer
    x = 672,801,029.55

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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.