Home / 257,747,046.37-386,110,383.76-225,435,433.57

Finding the Fourth Proportional to 257,747,046.37, 386,110,383.76 and 225,435,433.57

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Solution

The fourth proportional to 257,747,046.37, 386,110,383.76 and 225,435,433.57 is: 337,706,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,747,046.37 : 386,110,383.76 = 225,435,433.57 : x
  2. Step 2: Convert to fraction form
    257,747,046.37/386,110,383.76 = 225,435,433.57/x
  3. Step 3: Cross multiply
    257,747,046.37x = 386,110,383.76 × 225,435,433.57
  4. Step 4: Simplify right side
    257,747,046.37x = 87,042,961,768,814,688
  5. Step 5: Solve for x
    x = 87,042,961,768,814,688/257,747,046.37
  6. Step 6: Final answer
    x = 337,706,922.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.