Home / 411,324,755.79-567,638,608.19-225,685,722.27

Finding the Fourth Proportional to 411,324,755.79, 567,638,608.19 and 225,685,722.27

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Solution

The fourth proportional to 411,324,755.79, 567,638,608.19 and 225,685,722.27 is: 311,452,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,324,755.79 : 567,638,608.19 = 225,685,722.27 : x
  2. Step 2: Convert to fraction form
    411,324,755.79/567,638,608.19 = 225,685,722.27/x
  3. Step 3: Cross multiply
    411,324,755.79x = 567,638,608.19 × 225,685,722.27
  4. Step 4: Simplify right side
    411,324,755.79x = 128,107,929,277,697,712
  5. Step 5: Solve for x
    x = 128,107,929,277,697,712/411,324,755.79
  6. Step 6: Final answer
    x = 311,452,027.81

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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.