Home / 481,215,436.32-664,060,119.84-272,367,094.80

Finding the Fourth Proportional to 481,215,436.32, 664,060,119.84 and 272,367,094.80

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Solution

The fourth proportional to 481,215,436.32, 664,060,119.84 and 272,367,094.80 is: 375,856,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,436.32 : 664,060,119.84 = 272,367,094.80 : x
  2. Step 2: Convert to fraction form
    481,215,436.32/664,060,119.84 = 272,367,094.80/x
  3. Step 3: Cross multiply
    481,215,436.32x = 664,060,119.84 × 272,367,094.80
  4. Step 4: Simplify right side
    481,215,436.32x = 180,868,125,613,360,672
  5. Step 5: Solve for x
    x = 180,868,125,613,360,672/481,215,436.32
  6. Step 6: Final answer
    x = 375,856,865.68

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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.