Home / 853,258,004.03-1,279,887,006.35-239,842,229.78

Finding the Fourth Proportional to 853,258,004.03, 1,279,887,006.35 and 239,842,229.78

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Solution

The fourth proportional to 853,258,004.03, 1,279,887,006.35 and 239,842,229.78 is: 359,763,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,258,004.03 : 1,279,887,006.35 = 239,842,229.78 : x
  2. Step 2: Convert to fraction form
    853,258,004.03/1,279,887,006.35 = 239,842,229.78/x
  3. Step 3: Cross multiply
    853,258,004.03x = 1,279,887,006.35 × 239,842,229.78
  4. Step 4: Simplify right side
    853,258,004.03x = 306,970,953,473,232,320
  5. Step 5: Solve for x
    x = 306,970,953,473,232,320/853,258,004.03
  6. Step 6: Final answer
    x = 359,763,344.76

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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.