Home / 454,085,999.70-681,128,999.55-224,503,487.70

Finding the Fourth Proportional to 454,085,999.70, 681,128,999.55 and 224,503,487.70

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Solution

The fourth proportional to 454,085,999.70, 681,128,999.55 and 224,503,487.70 is: 336,755,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,085,999.70 : 681,128,999.55 = 224,503,487.70 : x
  2. Step 2: Convert to fraction form
    454,085,999.70/681,128,999.55 = 224,503,487.70/x
  3. Step 3: Cross multiply
    454,085,999.70x = 681,128,999.55 × 224,503,487.70
  4. Step 4: Simplify right side
    454,085,999.70x = 152,915,835,972,586,720
  5. Step 5: Solve for x
    x = 152,915,835,972,586,720/454,085,999.70
  6. Step 6: Final answer
    x = 336,755,231.55

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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.