Home / 960,339,003.36-1,324,862,008.56-642,901,516.86

Finding the Fourth Proportional to 960,339,003.36, 1,324,862,008.56 and 642,901,516.86

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Solution

The fourth proportional to 960,339,003.36, 1,324,862,008.56 and 642,901,516.86 is: 886,932,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,339,003.36 : 1,324,862,008.56 = 642,901,516.86 : x
  2. Step 2: Convert to fraction form
    960,339,003.36/1,324,862,008.56 = 642,901,516.86/x
  3. Step 3: Cross multiply
    960,339,003.36x = 1,324,862,008.56 × 642,901,516.86
  4. Step 4: Simplify right side
    960,339,003.36x = 851,755,794,933,410,304
  5. Step 5: Solve for x
    x = 851,755,794,933,410,304/960,339,003.36
  6. Step 6: Final answer
    x = 886,932,418.61

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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.