Home / 483,846,820.80-725,770,231.20-266,168,587.20

Finding the Fourth Proportional to 483,846,820.80, 725,770,231.20 and 266,168,587.20

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Solution

The fourth proportional to 483,846,820.80, 725,770,231.20 and 266,168,587.20 is: 399,252,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,846,820.80 : 725,770,231.20 = 266,168,587.20 : x
  2. Step 2: Convert to fraction form
    483,846,820.80/725,770,231.20 = 266,168,587.20/x
  3. Step 3: Cross multiply
    483,846,820.80x = 725,770,231.20 × 266,168,587.20
  4. Step 4: Simplify right side
    483,846,820.80x = 193,177,237,070,321,376
  5. Step 5: Solve for x
    x = 193,177,237,070,321,376/483,846,820.80
  6. Step 6: Final answer
    x = 399,252,880.80

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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.