Home / 399,447,218,010.15-599,110,287,213.85-108,714,469,532.26

Finding the Fourth Proportional to 399,447,218,010.15, 599,110,287,213.85 and 108,714,469,532.26

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Solution

The fourth proportional to 399,447,218,010.15, 599,110,287,213.85 and 108,714,469,532.26 is: 163,055,227,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,447,218,010.15 : 599,110,287,213.85 = 108,714,469,532.26 : x
  2. Step 2: Convert to fraction form
    399,447,218,010.15/599,110,287,213.85 = 108,714,469,532.26/x
  3. Step 3: Cross multiply
    399,447,218,010.15x = 599,110,287,213.85 × 108,714,469,532.26
  4. Step 4: Simplify right side
    399,447,218,010.15x = 65,131,957,065,773,626,687,488
  5. Step 5: Solve for x
    x = 65,131,957,065,773,626,687,488/399,447,218,010.15
  6. Step 6: Final answer
    x = 163,055,227,647.42

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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.