Home / 960,339,251.28-1,324,862,356.02-642,901,770.54

Finding the Fourth Proportional to 960,339,251.28, 1,324,862,356.02 and 642,901,770.54

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Solution

The fourth proportional to 960,339,251.28, 1,324,862,356.02 and 642,901,770.54 is: 886,932,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,339,251.28 : 1,324,862,356.02 = 642,901,770.54 : x
  2. Step 2: Convert to fraction form
    960,339,251.28/1,324,862,356.02 = 642,901,770.54/x
  3. Step 3: Cross multiply
    960,339,251.28x = 1,324,862,356.02 × 642,901,770.54
  4. Step 4: Simplify right side
    960,339,251.28x = 851,756,354,407,053,824
  5. Step 5: Solve for x
    x = 851,756,354,407,053,824/960,339,251.28
  6. Step 6: Final answer
    x = 886,932,772.22

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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.