Home / 851,582,579.60-1,175,177,115.24-494,383,500.56

Finding the Fourth Proportional to 851,582,579.60, 1,175,177,115.24 and 494,383,500.56

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Solution

The fourth proportional to 851,582,579.60, 1,175,177,115.24 and 494,383,500.56 is: 682,245,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,582,579.60 : 1,175,177,115.24 = 494,383,500.56 : x
  2. Step 2: Convert to fraction form
    851,582,579.60/1,175,177,115.24 = 494,383,500.56/x
  3. Step 3: Cross multiply
    851,582,579.60x = 1,175,177,115.24 × 494,383,500.56
  4. Step 4: Simplify right side
    851,582,579.60x = 580,988,176,010,353,792
  5. Step 5: Solve for x
    x = 580,988,176,010,353,792/851,582,579.60
  6. Step 6: Final answer
    x = 682,245,257.16

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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.