Home / 664,392,815.80-996,290,625.30-255,313,007.80

Finding the Fourth Proportional to 664,392,815.80, 996,290,625.30 and 255,313,007.80

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Solution

The fourth proportional to 664,392,815.80, 996,290,625.30 and 255,313,007.80 is: 382,854,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,392,815.80 : 996,290,625.30 = 255,313,007.80 : x
  2. Step 2: Convert to fraction form
    664,392,815.80/996,290,625.30 = 255,313,007.80/x
  3. Step 3: Cross multiply
    664,392,815.80x = 996,290,625.30 × 255,313,007.80
  4. Step 4: Simplify right side
    664,392,815.80x = 254,365,956,188,285,792
  5. Step 5: Solve for x
    x = 254,365,956,188,285,792/664,392,815.80
  6. Step 6: Final answer
    x = 382,854,766.25

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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.