Home / 442,928,820.80-664,393,231.20-442,928,820.80

Finding the Fourth Proportional to 442,928,820.80, 664,393,231.20 and 442,928,820.80

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Solution

The fourth proportional to 442,928,820.80, 664,393,231.20 and 442,928,820.80 is: 664,393,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,928,820.80 : 664,393,231.20 = 442,928,820.80 : x
  2. Step 2: Convert to fraction form
    442,928,820.80/664,393,231.20 = 442,928,820.80/x
  3. Step 3: Cross multiply
    442,928,820.80x = 664,393,231.20 × 442,928,820.80
  4. Step 4: Simplify right side
    442,928,820.80x = 294,278,910,442,917,824
  5. Step 5: Solve for x
    x = 294,278,910,442,917,824/442,928,820.80
  6. Step 6: Final answer
    x = 664,393,231.20

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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.