Home / 279,923,300.20-419,544,531.42-198,065,768.68

Finding the Fourth Proportional to 279,923,300.20, 419,544,531.42 and 198,065,768.68

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Solution

The fourth proportional to 279,923,300.20, 419,544,531.42 and 198,065,768.68 is: 296,857,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,923,300.20 : 419,544,531.42 = 198,065,768.68 : x
  2. Step 2: Convert to fraction form
    279,923,300.20/419,544,531.42 = 198,065,768.68/x
  3. Step 3: Cross multiply
    279,923,300.20x = 419,544,531.42 × 198,065,768.68
  4. Step 4: Simplify right side
    279,923,300.20x = 83,097,410,111,192,720
  5. Step 5: Solve for x
    x = 83,097,410,111,192,720/279,923,300.20
  6. Step 6: Final answer
    x = 296,857,782.30

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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.