Home / 481,215,771.90-664,060,581.72-272,367,429.30

Finding the Fourth Proportional to 481,215,771.90, 664,060,581.72 and 272,367,429.30

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Solution

The fourth proportional to 481,215,771.90, 664,060,581.72 and 272,367,429.30 is: 375,857,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,771.90 : 664,060,581.72 = 272,367,429.30 : x
  2. Step 2: Convert to fraction form
    481,215,771.90/664,060,581.72 = 272,367,429.30/x
  3. Step 3: Cross multiply
    481,215,771.90x = 664,060,581.72 × 272,367,429.30
  4. Step 4: Simplify right side
    481,215,771.90x = 180,868,473,542,538,976
  5. Step 5: Solve for x
    x = 180,868,473,542,538,976/481,215,771.90
  6. Step 6: Final answer
    x = 375,857,326.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.