Home / 338,132,962.90-506,845,481.97-141,509,037.70

Finding the Fourth Proportional to 338,132,962.90, 506,845,481.97 and 141,509,037.70

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Solution

The fourth proportional to 338,132,962.90, 506,845,481.97 and 141,509,037.70 is: 212,115,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,132,962.90 : 506,845,481.97 = 141,509,037.70 : x
  2. Step 2: Convert to fraction form
    338,132,962.90/506,845,481.97 = 141,509,037.70/x
  3. Step 3: Cross multiply
    338,132,962.90x = 506,845,481.97 × 141,509,037.70
  4. Step 4: Simplify right side
    338,132,962.90x = 71,723,216,416,167,400
  5. Step 5: Solve for x
    x = 71,723,216,416,167,400/338,132,962.90
  6. Step 6: Final answer
    x = 212,115,422.88

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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.