Home / 681,909,331.20-1,022,863,996.80-298,956,883.20

Finding the Fourth Proportional to 681,909,331.20, 1,022,863,996.80 and 298,956,883.20

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Solution

The fourth proportional to 681,909,331.20, 1,022,863,996.80 and 298,956,883.20 is: 448,435,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,909,331.20 : 1,022,863,996.80 = 298,956,883.20 : x
  2. Step 2: Convert to fraction form
    681,909,331.20/1,022,863,996.80 = 298,956,883.20/x
  3. Step 3: Cross multiply
    681,909,331.20x = 1,022,863,996.80 × 298,956,883.20
  4. Step 4: Simplify right side
    681,909,331.20x = 305,792,232,420,822,720
  5. Step 5: Solve for x
    x = 305,792,232,420,822,720/681,909,331.20
  6. Step 6: Final answer
    x = 448,435,324.80

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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.