Home / 7,815,339,481.02-11,725,309,480.77-2,840,982,928.89

Finding the Fourth Proportional to 7,815,339,481.02, 11,725,309,480.77 and 2,840,982,928.89

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Solution

The fourth proportional to 7,815,339,481.02, 11,725,309,480.77 and 2,840,982,928.89 is: 4,262,310,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,339,481.02 : 11,725,309,480.77 = 2,840,982,928.89 : x
  2. Step 2: Convert to fraction form
    7,815,339,481.02/11,725,309,480.77 = 2,840,982,928.89/x
  3. Step 3: Cross multiply
    7,815,339,481.02x = 11,725,309,480.77 × 2,840,982,928.89
  4. Step 4: Simplify right side
    7,815,339,481.02x = 33,311,404,070,819,639,296
  5. Step 5: Solve for x
    x = 33,311,404,070,819,639,296/7,815,339,481.02
  6. Step 6: Final answer
    x = 4,262,310,569.07

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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.