Home / 618,659,530.88-927,790,810.24-204,043,132.80

Finding the Fourth Proportional to 618,659,530.88, 927,790,810.24 and 204,043,132.80

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Solution

The fourth proportional to 618,659,530.88, 927,790,810.24 and 204,043,132.80 is: 305,999,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,659,530.88 : 927,790,810.24 = 204,043,132.80 : x
  2. Step 2: Convert to fraction form
    618,659,530.88/927,790,810.24 = 204,043,132.80/x
  3. Step 3: Cross multiply
    618,659,530.88x = 927,790,810.24 × 204,043,132.80
  4. Step 4: Simplify right side
    618,659,530.88x = 189,309,343,504,419,936
  5. Step 5: Solve for x
    x = 189,309,343,504,419,936/618,659,530.88
  6. Step 6: Final answer
    x = 305,999,235.53

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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.