Home / 299,542,500.80-449,313,751.20-265,530,276.80

Finding the Fourth Proportional to 299,542,500.80, 449,313,751.20 and 265,530,276.80

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Solution

The fourth proportional to 299,542,500.80, 449,313,751.20 and 265,530,276.80 is: 398,295,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,542,500.80 : 449,313,751.20 = 265,530,276.80 : x
  2. Step 2: Convert to fraction form
    299,542,500.80/449,313,751.20 = 265,530,276.80/x
  3. Step 3: Cross multiply
    299,542,500.80x = 449,313,751.20 × 265,530,276.80
  4. Step 4: Simplify right side
    299,542,500.80x = 119,306,404,726,182,336
  5. Step 5: Solve for x
    x = 119,306,404,726,182,336/299,542,500.80
  6. Step 6: Final answer
    x = 398,295,415.20

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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.