Home / 321,115,404,453.44-481,569,986,655.90-105,935,576,558.75

Finding the Fourth Proportional to 321,115,404,453.44, 481,569,986,655.90 and 105,935,576,558.75

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Solution

The fourth proportional to 321,115,404,453.44, 481,569,986,655.90 and 105,935,576,558.75 is: 158,869,345,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,115,404,453.44 : 481,569,986,655.90 = 105,935,576,558.75 : x
  2. Step 2: Convert to fraction form
    321,115,404,453.44/481,569,986,655.90 = 105,935,576,558.75/x
  3. Step 3: Cross multiply
    321,115,404,453.44x = 481,569,986,655.90 × 105,935,576,558.75
  4. Step 4: Simplify right side
    321,115,404,453.44x = 51,015,394,189,782,311,501,824
  5. Step 5: Solve for x
    x = 51,015,394,189,782,311,501,824/321,115,404,453.44
  6. Step 6: Final answer
    x = 158,869,345,669.09

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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.