Home / 1,135,132,980.70-1,702,951,413.45-521,569,255.90

Finding the Fourth Proportional to 1,135,132,980.70, 1,702,951,413.45 and 521,569,255.90

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Solution

The fourth proportional to 1,135,132,980.70, 1,702,951,413.45 and 521,569,255.90 is: 782,469,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,132,980.70 : 1,702,951,413.45 = 521,569,255.90 : x
  2. Step 2: Convert to fraction form
    1,135,132,980.70/1,702,951,413.45 = 521,569,255.90/x
  3. Step 3: Cross multiply
    1,135,132,980.70x = 1,702,951,413.45 × 521,569,255.90
  4. Step 4: Simplify right side
    1,135,132,980.70x = 888,207,101,546,969,728
  5. Step 5: Solve for x
    x = 888,207,101,546,969,728/1,135,132,980.70
  6. Step 6: Final answer
    x = 782,469,645.98

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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.