Home / 264,648,019.20-396,972,028.80-252,743,740.80

Finding the Fourth Proportional to 264,648,019.20, 396,972,028.80 and 252,743,740.80

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Solution

The fourth proportional to 264,648,019.20, 396,972,028.80 and 252,743,740.80 is: 379,115,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,648,019.20 : 396,972,028.80 = 252,743,740.80 : x
  2. Step 2: Convert to fraction form
    264,648,019.20/396,972,028.80 = 252,743,740.80/x
  3. Step 3: Cross multiply
    264,648,019.20x = 396,972,028.80 × 252,743,740.80
  4. Step 4: Simplify right side
    264,648,019.20x = 100,332,195,551,877,344
  5. Step 5: Solve for x
    x = 100,332,195,551,877,344/264,648,019.20
  6. Step 6: Final answer
    x = 379,115,611.20

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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.