Home / 481,215,735.90-664,060,532.04-272,367,393.30

Finding the Fourth Proportional to 481,215,735.90, 664,060,532.04 and 272,367,393.30

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Solution

The fourth proportional to 481,215,735.90, 664,060,532.04 and 272,367,393.30 is: 375,857,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,735.90 : 664,060,532.04 = 272,367,393.30 : x
  2. Step 2: Convert to fraction form
    481,215,735.90/664,060,532.04 = 272,367,393.30/x
  3. Step 3: Cross multiply
    481,215,735.90x = 664,060,532.04 × 272,367,393.30
  4. Step 4: Simplify right side
    481,215,735.90x = 180,868,436,105,145,920
  5. Step 5: Solve for x
    x = 180,868,436,105,145,920/481,215,735.90
  6. Step 6: Final answer
    x = 375,857,276.92

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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.