Home / 598,404,819.38-897,515,198.06-199,570,389.68

Finding the Fourth Proportional to 598,404,819.38, 897,515,198.06 and 199,570,389.68

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Solution

The fourth proportional to 598,404,819.38, 897,515,198.06 and 199,570,389.68 is: 299,324,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,404,819.38 : 897,515,198.06 = 199,570,389.68 : x
  2. Step 2: Convert to fraction form
    598,404,819.38/897,515,198.06 = 199,570,389.68/x
  3. Step 3: Cross multiply
    598,404,819.38x = 897,515,198.06 × 199,570,389.68
  4. Step 4: Simplify right side
    598,404,819.38x = 179,117,457,815,071,168
  5. Step 5: Solve for x
    x = 179,117,457,815,071,168/598,404,819.38
  6. Step 6: Final answer
    x = 299,324,891.81

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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.