Home / 358,754,963.60-538,132,445.40-327,010,221.20

Finding the Fourth Proportional to 358,754,963.60, 538,132,445.40 and 327,010,221.20

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Solution

The fourth proportional to 358,754,963.60, 538,132,445.40 and 327,010,221.20 is: 490,515,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,754,963.60 : 538,132,445.40 = 327,010,221.20 : x
  2. Step 2: Convert to fraction form
    358,754,963.60/538,132,445.40 = 327,010,221.20/x
  3. Step 3: Cross multiply
    358,754,963.60x = 538,132,445.40 × 327,010,221.20
  4. Step 4: Simplify right side
    358,754,963.60x = 175,974,810,005,150,912
  5. Step 5: Solve for x
    x = 175,974,810,005,150,912/358,754,963.60
  6. Step 6: Final answer
    x = 490,515,331.80

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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.