Home / 3,893,367,327.39-5,372,817,213.60-2,109,208,017.15

Finding the Fourth Proportional to 3,893,367,327.39, 5,372,817,213.60 and 2,109,208,017.15

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Solution

The fourth proportional to 3,893,367,327.39, 5,372,817,213.60 and 2,109,208,017.15 is: 2,910,690,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,367,327.39 : 5,372,817,213.60 = 2,109,208,017.15 : x
  2. Step 2: Convert to fraction form
    3,893,367,327.39/5,372,817,213.60 = 2,109,208,017.15/x
  3. Step 3: Cross multiply
    3,893,367,327.39x = 5,372,817,213.60 × 2,109,208,017.15
  4. Step 4: Simplify right side
    3,893,367,327.39x = 11,332,389,141,606,645,760
  5. Step 5: Solve for x
    x = 11,332,389,141,606,645,760/3,893,367,327.39
  6. Step 6: Final answer
    x = 2,910,690,974.85

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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.