Home / 664,243,712.80-996,932,439.60-296,344,823.20

Finding the Fourth Proportional to 664,243,712.80, 996,932,439.60 and 296,344,823.20

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Solution

The fourth proportional to 664,243,712.80, 996,932,439.60 and 296,344,823.20 is: 444,770,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,712.80 : 996,932,439.60 = 296,344,823.20 : x
  2. Step 2: Convert to fraction form
    664,243,712.80/996,932,439.60 = 296,344,823.20/x
  3. Step 3: Cross multiply
    664,243,712.80x = 996,932,439.60 × 296,344,823.20
  4. Step 4: Simplify right side
    664,243,712.80x = 295,435,767,555,606,656
  5. Step 5: Solve for x
    x = 295,435,767,555,606,656/664,243,712.80
  6. Step 6: Final answer
    x = 444,770,137.62

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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.