Home / 299,542,620.80-449,313,931.20-265,502,403.20

Finding the Fourth Proportional to 299,542,620.80, 449,313,931.20 and 265,502,403.20

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Solution

The fourth proportional to 299,542,620.80, 449,313,931.20 and 265,502,403.20 is: 398,253,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,542,620.80 : 449,313,931.20 = 265,502,403.20 : x
  2. Step 2: Convert to fraction form
    299,542,620.80/449,313,931.20 = 265,502,403.20/x
  3. Step 3: Cross multiply
    299,542,620.80x = 449,313,931.20 × 265,502,403.20
  4. Step 4: Simplify right side
    299,542,620.80x = 119,293,928,524,839,456
  5. Step 5: Solve for x
    x = 119,293,928,524,839,456/299,542,620.80
  6. Step 6: Final answer
    x = 398,253,604.80

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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.