Home / 1,976,856,209.52-2,965,456,654.97-648,485,968.92

Finding the Fourth Proportional to 1,976,856,209.52, 2,965,456,654.97 and 648,485,968.92

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Solution

The fourth proportional to 1,976,856,209.52, 2,965,456,654.97 and 648,485,968.92 is: 972,785,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,856,209.52 : 2,965,456,654.97 = 648,485,968.92 : x
  2. Step 2: Convert to fraction form
    1,976,856,209.52/2,965,456,654.97 = 648,485,968.92/x
  3. Step 3: Cross multiply
    1,976,856,209.52x = 2,965,456,654.97 × 648,485,968.92
  4. Step 4: Simplify right side
    1,976,856,209.52x = 1,923,057,032,185,240,064
  5. Step 5: Solve for x
    x = 1,923,057,032,185,240,064/1,976,856,209.52
  6. Step 6: Final answer
    x = 972,785,487.85

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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.