Home / 401,277,400,891.44-601,972,644,158.16-128,910,320,865.36

Finding the Fourth Proportional to 401,277,400,891.44, 601,972,644,158.16 and 128,910,320,865.36

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Solution

The fourth proportional to 401,277,400,891.44, 601,972,644,158.16 and 128,910,320,865.36 is: 193,383,645,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,277,400,891.44 : 601,972,644,158.16 = 128,910,320,865.36 : x
  2. Step 2: Convert to fraction form
    401,277,400,891.44/601,972,644,158.16 = 128,910,320,865.36/x
  3. Step 3: Cross multiply
    401,277,400,891.44x = 601,972,644,158.16 × 128,910,320,865.36
  4. Step 4: Simplify right side
    401,277,400,891.44x = 77,600,486,710,597,585,469,440
  5. Step 5: Solve for x
    x = 77,600,486,710,597,585,469,440/401,277,400,891.44
  6. Step 6: Final answer
    x = 193,383,645,673.06

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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.