Home / 331,098,523,918.44-496,647,785,320.47-79,559,717,990.06

Finding the Fourth Proportional to 331,098,523,918.44, 496,647,785,320.47 and 79,559,717,990.06

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Solution

The fourth proportional to 331,098,523,918.44, 496,647,785,320.47 and 79,559,717,990.06 is: 119,339,576,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,098,523,918.44 : 496,647,785,320.47 = 79,559,717,990.06 : x
  2. Step 2: Convert to fraction form
    331,098,523,918.44/496,647,785,320.47 = 79,559,717,990.06/x
  3. Step 3: Cross multiply
    331,098,523,918.44x = 496,647,785,320.47 × 79,559,717,990.06
  4. Step 4: Simplify right side
    331,098,523,918.44x = 39,513,157,740,485,446,467,584
  5. Step 5: Solve for x
    x = 39,513,157,740,485,446,467,584/331,098,523,918.44
  6. Step 6: Final answer
    x = 119,339,576,851.21

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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.