Home / 538,179,015.20-807,268,522.80-266,081,223.20

Finding the Fourth Proportional to 538,179,015.20, 807,268,522.80 and 266,081,223.20

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Solution

The fourth proportional to 538,179,015.20, 807,268,522.80 and 266,081,223.20 is: 399,121,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,179,015.20 : 807,268,522.80 = 266,081,223.20 : x
  2. Step 2: Convert to fraction form
    538,179,015.20/807,268,522.80 = 266,081,223.20/x
  3. Step 3: Cross multiply
    538,179,015.20x = 807,268,522.80 × 266,081,223.20
  4. Step 4: Simplify right side
    538,179,015.20x = 214,798,995,997,481,056
  5. Step 5: Solve for x
    x = 214,798,995,997,481,056/538,179,015.20
  6. Step 6: Final answer
    x = 399,121,834.80

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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.