Home / 12,588,913,413.67-17,380,540,818.19-8,013,759,301.87

Finding the Fourth Proportional to 12,588,913,413.67, 17,380,540,818.19 and 8,013,759,301.87

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Solution

The fourth proportional to 12,588,913,413.67, 17,380,540,818.19 and 8,013,759,301.87 is: 11,063,978,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,913,413.67 : 17,380,540,818.19 = 8,013,759,301.87 : x
  2. Step 2: Convert to fraction form
    12,588,913,413.67/17,380,540,818.19 = 8,013,759,301.87/x
  3. Step 3: Cross multiply
    12,588,913,413.67x = 17,380,540,818.19 × 8,013,759,301.87
  4. Step 4: Simplify right side
    12,588,913,413.67x = 139,283,470,653,174,366,208
  5. Step 5: Solve for x
    x = 139,283,470,653,174,366,208/12,588,913,413.67
  6. Step 6: Final answer
    x = 11,063,978,762.61

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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.