Home / 12,588,913,160.28-17,380,540,469.76-8,013,759,048

Finding the Fourth Proportional to 12,588,913,160.28, 17,380,540,469.76 and 8,013,759,048

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Solution

The fourth proportional to 12,588,913,160.28, 17,380,540,469.76 and 8,013,759,048 is: 11,063,978,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,913,160.28 : 17,380,540,469.76 = 8,013,759,048 : x
  2. Step 2: Convert to fraction form
    12,588,913,160.28/17,380,540,469.76 = 8,013,759,048/x
  3. Step 3: Cross multiply
    12,588,913,160.28x = 17,380,540,469.76 × 8,013,759,048
  4. Step 4: Simplify right side
    12,588,913,160.28x = 139,283,463,448,669,356,032
  5. Step 5: Solve for x
    x = 139,283,463,448,669,356,032/12,588,913,160.28
  6. Step 6: Final answer
    x = 11,063,978,413.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.