Home / 399,447,218,014.28-599,110,287,220.06-108,714,469,536.39

Finding the Fourth Proportional to 399,447,218,014.28, 599,110,287,220.06 and 108,714,469,536.39

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Solution

The fourth proportional to 399,447,218,014.28, 599,110,287,220.06 and 108,714,469,536.39 is: 163,055,227,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,447,218,014.28 : 599,110,287,220.06 = 108,714,469,536.39 : x
  2. Step 2: Convert to fraction form
    399,447,218,014.28/599,110,287,220.06 = 108,714,469,536.39/x
  3. Step 3: Cross multiply
    399,447,218,014.28x = 599,110,287,220.06 × 108,714,469,536.39
  4. Step 4: Simplify right side
    399,447,218,014.28x = 65,131,957,068,923,079,229,440
  5. Step 5: Solve for x
    x = 65,131,957,068,923,079,229,440/399,447,218,014.28
  6. Step 6: Final answer
    x = 163,055,227,653.62

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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.