Home / 5,003,469,487.47-7,505,171,721.91-1,272,729,005.27

Finding the Fourth Proportional to 5,003,469,487.47, 7,505,171,721.91 and 1,272,729,005.27

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Solution

The fourth proportional to 5,003,469,487.47, 7,505,171,721.91 and 1,272,729,005.27 is: 1,909,085,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003,469,487.47 : 7,505,171,721.91 = 1,272,729,005.27 : x
  2. Step 2: Convert to fraction form
    5,003,469,487.47/7,505,171,721.91 = 1,272,729,005.27/x
  3. Step 3: Cross multiply
    5,003,469,487.47x = 7,505,171,721.91 × 1,272,729,005.27
  4. Step 4: Simplify right side
    5,003,469,487.47x = 9,552,049,739,999,823,872
  5. Step 5: Solve for x
    x = 9,552,049,739,999,823,872/5,003,469,487.47
  6. Step 6: Final answer
    x = 1,909,085,238.54

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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.