Home / 411,324,754.79-567,638,606.81-225,685,721.27

Finding the Fourth Proportional to 411,324,754.79, 567,638,606.81 and 225,685,721.27

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Solution

The fourth proportional to 411,324,754.79, 567,638,606.81 and 225,685,721.27 is: 311,452,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,324,754.79 : 567,638,606.81 = 225,685,721.27 : x
  2. Step 2: Convert to fraction form
    411,324,754.79/567,638,606.81 = 225,685,721.27/x
  3. Step 3: Cross multiply
    411,324,754.79x = 567,638,606.81 × 225,685,721.27
  4. Step 4: Simplify right side
    411,324,754.79x = 128,107,928,396,338,800
  5. Step 5: Solve for x
    x = 128,107,928,396,338,800/411,324,754.79
  6. Step 6: Final answer
    x = 311,452,026.42

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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.