Home / 399,447,218,013.35-599,110,287,218.60-108,714,469,535.45

Finding the Fourth Proportional to 399,447,218,013.35, 599,110,287,218.60 and 108,714,469,535.45

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Solution

The fourth proportional to 399,447,218,013.35, 599,110,287,218.60 and 108,714,469,535.45 is: 163,055,227,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,447,218,013.35 : 599,110,287,218.60 = 108,714,469,535.45 : x
  2. Step 2: Convert to fraction form
    399,447,218,013.35/599,110,287,218.60 = 108,714,469,535.45/x
  3. Step 3: Cross multiply
    399,447,218,013.35x = 599,110,287,218.60 × 108,714,469,535.45
  4. Step 4: Simplify right side
    399,447,218,013.35x = 65,131,957,068,201,180,790,784
  5. Step 5: Solve for x
    x = 65,131,957,068,201,180,790,784/399,447,218,013.35
  6. Step 6: Final answer
    x = 163,055,227,652.19

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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.