Home / 538,179,021.20-807,268,531.80-266,081,229.20

Finding the Fourth Proportional to 538,179,021.20, 807,268,531.80 and 266,081,229.20

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Solution

The fourth proportional to 538,179,021.20, 807,268,531.80 and 266,081,229.20 is: 399,121,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,179,021.20 : 807,268,531.80 = 266,081,229.20 : x
  2. Step 2: Convert to fraction form
    538,179,021.20/807,268,531.80 = 266,081,229.20/x
  3. Step 3: Cross multiply
    538,179,021.20x = 807,268,531.80 × 266,081,229.20
  4. Step 4: Simplify right side
    538,179,021.20x = 214,799,003,235,823,264
  5. Step 5: Solve for x
    x = 214,799,003,235,823,264/538,179,021.20
  6. Step 6: Final answer
    x = 399,121,843.80

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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.