Home / 493,945,912.48-681,622,012.56-273,924,614.56

Finding the Fourth Proportional to 493,945,912.48, 681,622,012.56 and 273,924,614.56

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Solution

The fourth proportional to 493,945,912.48, 681,622,012.56 and 273,924,614.56 is: 378,003,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,945,912.48 : 681,622,012.56 = 273,924,614.56 : x
  2. Step 2: Convert to fraction form
    493,945,912.48/681,622,012.56 = 273,924,614.56/x
  3. Step 3: Cross multiply
    493,945,912.48x = 681,622,012.56 × 273,924,614.56
  4. Step 4: Simplify right side
    493,945,912.48x = 186,713,047,066,109,472
  5. Step 5: Solve for x
    x = 186,713,047,066,109,472/493,945,912.48
  6. Step 6: Final answer
    x = 378,003,020.87

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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.