Home / 1,396,431,431.82-1,928,914,874.42-1,035,057,979.26

Finding the Fourth Proportional to 1,396,431,431.82, 1,928,914,874.42 and 1,035,057,979.26

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Solution

The fourth proportional to 1,396,431,431.82, 1,928,914,874.42 and 1,035,057,979.26 is: 1,429,743,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,431,431.82 : 1,928,914,874.42 = 1,035,057,979.26 : x
  2. Step 2: Convert to fraction form
    1,396,431,431.82/1,928,914,874.42 = 1,035,057,979.26/x
  3. Step 3: Cross multiply
    1,396,431,431.82x = 1,928,914,874.42 × 1,035,057,979.26
  4. Step 4: Simplify right side
    1,396,431,431.82x = 1,996,538,732,076,546,560
  5. Step 5: Solve for x
    x = 1,996,538,732,076,546,560/1,396,431,431.82
  6. Step 6: Final answer
    x = 1,429,743,477.97

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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.