Home / 1,425,220,404.49-1,966,105,243.78-1,236,784,219.84

Finding the Fourth Proportional to 1,425,220,404.49, 1,966,105,243.78 and 1,236,784,219.84

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Solution

The fourth proportional to 1,425,220,404.49, 1,966,105,243.78 and 1,236,784,219.84 is: 1,706,155,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,220,404.49 : 1,966,105,243.78 = 1,236,784,219.84 : x
  2. Step 2: Convert to fraction form
    1,425,220,404.49/1,966,105,243.78 = 1,236,784,219.84/x
  3. Step 3: Cross multiply
    1,425,220,404.49x = 1,966,105,243.78 × 1,236,784,219.84
  4. Step 4: Simplify right side
    1,425,220,404.49x = 2,431,647,940,051,780,096
  5. Step 5: Solve for x
    x = 2,431,647,940,051,780,096/1,425,220,404.49
  6. Step 6: Final answer
    x = 1,706,155,716.26

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Double scale
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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.