Home / 363,253,912.38-501,283,403.73-198,242,662.86

Finding the Fourth Proportional to 363,253,912.38, 501,283,403.73 and 198,242,662.86

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Solution

The fourth proportional to 363,253,912.38, 501,283,403.73 and 198,242,662.86 is: 273,571,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,253,912.38 : 501,283,403.73 = 198,242,662.86 : x
  2. Step 2: Convert to fraction form
    363,253,912.38/501,283,403.73 = 198,242,662.86/x
  3. Step 3: Cross multiply
    363,253,912.38x = 501,283,403.73 × 198,242,662.86
  4. Step 4: Simplify right side
    363,253,912.38x = 99,375,756,802,959,664
  5. Step 5: Solve for x
    x = 99,375,756,802,959,664/363,253,912.38
  6. Step 6: Final answer
    x = 273,571,057.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.