Home / 399,447,218,010.78-599,110,287,214.80-108,714,469,532.88

Finding the Fourth Proportional to 399,447,218,010.78, 599,110,287,214.80 and 108,714,469,532.88

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Solution

The fourth proportional to 399,447,218,010.78, 599,110,287,214.80 and 108,714,469,532.88 is: 163,055,227,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,447,218,010.78 : 599,110,287,214.80 = 108,714,469,532.88 : x
  2. Step 2: Convert to fraction form
    399,447,218,010.78/599,110,287,214.80 = 108,714,469,532.88/x
  3. Step 3: Cross multiply
    399,447,218,010.78x = 599,110,287,214.80 × 108,714,469,532.88
  4. Step 4: Simplify right side
    399,447,218,010.78x = 65,131,957,066,248,371,568,640
  5. Step 5: Solve for x
    x = 65,131,957,066,248,371,568,640/399,447,218,010.78
  6. Step 6: Final answer
    x = 163,055,227,648.35

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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.