Home / 481,215,774.90-664,060,585.86-272,367,432.30

Finding the Fourth Proportional to 481,215,774.90, 664,060,585.86 and 272,367,432.30

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Solution

The fourth proportional to 481,215,774.90, 664,060,585.86 and 272,367,432.30 is: 375,857,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,774.90 : 664,060,585.86 = 272,367,432.30 : x
  2. Step 2: Convert to fraction form
    481,215,774.90/664,060,585.86 = 272,367,432.30/x
  3. Step 3: Cross multiply
    481,215,774.90x = 664,060,585.86 × 272,367,432.30
  4. Step 4: Simplify right side
    481,215,774.90x = 180,868,476,662,321,888
  5. Step 5: Solve for x
    x = 180,868,476,662,321,888/481,215,774.90
  6. Step 6: Final answer
    x = 375,857,330.74

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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.