Home / 483,669,786.80-725,504,680.20-289,481,245.40

Finding the Fourth Proportional to 483,669,786.80, 725,504,680.20 and 289,481,245.40

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Solution

The fourth proportional to 483,669,786.80, 725,504,680.20 and 289,481,245.40 is: 434,221,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,669,786.80 : 725,504,680.20 = 289,481,245.40 : x
  2. Step 2: Convert to fraction form
    483,669,786.80/725,504,680.20 = 289,481,245.40/x
  3. Step 3: Cross multiply
    483,669,786.80x = 725,504,680.20 × 289,481,245.40
  4. Step 4: Simplify right side
    483,669,786.80x = 210,019,998,367,824,704
  5. Step 5: Solve for x
    x = 210,019,998,367,824,704/483,669,786.80
  6. Step 6: Final answer
    x = 434,221,868.10

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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.