Home / 1,107,433,998.90-1,661,150,998.35-927,379,163.70

Finding the Fourth Proportional to 1,107,433,998.90, 1,661,150,998.35 and 927,379,163.70

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Solution

The fourth proportional to 1,107,433,998.90, 1,661,150,998.35 and 927,379,163.70 is: 1,391,068,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,433,998.90 : 1,661,150,998.35 = 927,379,163.70 : x
  2. Step 2: Convert to fraction form
    1,107,433,998.90/1,661,150,998.35 = 927,379,163.70/x
  3. Step 3: Cross multiply
    1,107,433,998.90x = 1,661,150,998.35 × 927,379,163.70
  4. Step 4: Simplify right side
    1,107,433,998.90x = 1,540,516,823,629,243,136
  5. Step 5: Solve for x
    x = 1,540,516,823,629,243,136/1,107,433,998.90
  6. Step 6: Final answer
    x = 1,391,068,745.55

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Double scale
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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.