Home / 664,392,937.80-996,290,808.30-255,313,129.80

Finding the Fourth Proportional to 664,392,937.80, 996,290,808.30 and 255,313,129.80

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Solution

The fourth proportional to 664,392,937.80, 996,290,808.30 and 255,313,129.80 is: 382,854,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,392,937.80 : 996,290,808.30 = 255,313,129.80 : x
  2. Step 2: Convert to fraction form
    664,392,937.80/996,290,808.30 = 255,313,129.80/x
  3. Step 3: Cross multiply
    664,392,937.80x = 996,290,808.30 × 255,313,129.80
  4. Step 4: Simplify right side
    664,392,937.80x = 254,366,124,458,044,832
  5. Step 5: Solve for x
    x = 254,366,124,458,044,832/664,392,937.80
  6. Step 6: Final answer
    x = 382,854,949.21

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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.