Home / 2,161,396,351.17-2,982,729,514.77-1,171,321,768.17

Finding the Fourth Proportional to 2,161,396,351.17, 2,982,729,514.77 and 1,171,321,768.17

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Solution

The fourth proportional to 2,161,396,351.17, 2,982,729,514.77 and 1,171,321,768.17 is: 1,616,425,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,396,351.17 : 2,982,729,514.77 = 1,171,321,768.17 : x
  2. Step 2: Convert to fraction form
    2,161,396,351.17/2,982,729,514.77 = 1,171,321,768.17/x
  3. Step 3: Cross multiply
    2,161,396,351.17x = 2,982,729,514.77 × 1,171,321,768.17
  4. Step 4: Simplify right side
    2,161,396,351.17x = 3,493,736,009,213,242,880
  5. Step 5: Solve for x
    x = 3,493,736,009,213,242,880/2,161,396,351.17
  6. Step 6: Final answer
    x = 1,616,425,422.08

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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.