Home / 381,918,558.96-527,140,433.88-233,364,773.52

Finding the Fourth Proportional to 381,918,558.96, 527,140,433.88 and 233,364,773.52

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Solution

The fourth proportional to 381,918,558.96, 527,140,433.88 and 233,364,773.52 is: 322,100,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,918,558.96 : 527,140,433.88 = 233,364,773.52 : x
  2. Step 2: Convert to fraction form
    381,918,558.96/527,140,433.88 = 233,364,773.52/x
  3. Step 3: Cross multiply
    381,918,558.96x = 527,140,433.88 × 233,364,773.52
  4. Step 4: Simplify right side
    381,918,558.96x = 123,016,007,965,640,736
  5. Step 5: Solve for x
    x = 123,016,007,965,640,736/381,918,558.96
  6. Step 6: Final answer
    x = 322,100,105.06

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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.