Home / 2,781,809,456.80-4,167,936,610.80-1,469,768,087.20

Finding the Fourth Proportional to 2,781,809,456.80, 4,167,936,610.80 and 1,469,768,087.20

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Solution

The fourth proportional to 2,781,809,456.80, 4,167,936,610.80 and 1,469,768,087.20 is: 2,202,127,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,809,456.80 : 4,167,936,610.80 = 1,469,768,087.20 : x
  2. Step 2: Convert to fraction form
    2,781,809,456.80/4,167,936,610.80 = 1,469,768,087.20/x
  3. Step 3: Cross multiply
    2,781,809,456.80x = 4,167,936,610.80 × 1,469,768,087.20
  4. Step 4: Simplify right side
    2,781,809,456.80x = 6,125,900,220,026,366,976
  5. Step 5: Solve for x
    x = 6,125,900,220,026,366,976/2,781,809,456.80
  6. Step 6: Final answer
    x = 2,202,127,900.98

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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.