Home / 399,447,218,010.53-599,110,287,214.40-108,714,469,532.63

Finding the Fourth Proportional to 399,447,218,010.53, 599,110,287,214.40 and 108,714,469,532.63

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Solution

The fourth proportional to 399,447,218,010.53, 599,110,287,214.40 and 108,714,469,532.63 is: 163,055,227,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,447,218,010.53 : 599,110,287,214.40 = 108,714,469,532.63 : x
  2. Step 2: Convert to fraction form
    399,447,218,010.53/599,110,287,214.40 = 108,714,469,532.63/x
  3. Step 3: Cross multiply
    399,447,218,010.53x = 599,110,287,214.40 × 108,714,469,532.63
  4. Step 4: Simplify right side
    399,447,218,010.53x = 65,131,957,066,055,106,428,928
  5. Step 5: Solve for x
    x = 65,131,957,066,055,106,428,928/399,447,218,010.53
  6. Step 6: Final answer
    x = 163,055,227,647.97

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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.