Home / 863,914,383.07-1,192,193,349.21-467,428,669.72

Finding the Fourth Proportional to 863,914,383.07, 1,192,193,349.21 and 467,428,669.72

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Solution

The fourth proportional to 863,914,383.07, 1,192,193,349.21 and 467,428,669.72 is: 645,046,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,914,383.07 : 1,192,193,349.21 = 467,428,669.72 : x
  2. Step 2: Convert to fraction form
    863,914,383.07/1,192,193,349.21 = 467,428,669.72/x
  3. Step 3: Cross multiply
    863,914,383.07x = 1,192,193,349.21 × 467,428,669.72
  4. Step 4: Simplify right side
    863,914,383.07x = 557,265,351,267,281,216
  5. Step 5: Solve for x
    x = 557,265,351,267,281,216/863,914,383.07
  6. Step 6: Final answer
    x = 645,046,965.52

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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.