Home / 923,696,620.20-1,274,691,189.87-500,299,755.18

Finding the Fourth Proportional to 923,696,620.20, 1,274,691,189.87 and 500,299,755.18

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Solution

The fourth proportional to 923,696,620.20, 1,274,691,189.87 and 500,299,755.18 is: 690,408,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,696,620.20 : 1,274,691,189.87 = 500,299,755.18 : x
  2. Step 2: Convert to fraction form
    923,696,620.20/1,274,691,189.87 = 500,299,755.18/x
  3. Step 3: Cross multiply
    923,696,620.20x = 1,274,691,189.87 × 500,299,755.18
  4. Step 4: Simplify right side
    923,696,620.20x = 637,727,690,222,063,872
  5. Step 5: Solve for x
    x = 637,727,690,222,063,872/923,696,620.20
  6. Step 6: Final answer
    x = 690,408,166.79

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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.