Home / 3,903,805,656.30-5,387,100,709.92-2,119,618,273.20

Finding the Fourth Proportional to 3,903,805,656.30, 5,387,100,709.92 and 2,119,618,273.20

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Solution

The fourth proportional to 3,903,805,656.30, 5,387,100,709.92 and 2,119,618,273.20 is: 2,924,991,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,805,656.30 : 5,387,100,709.92 = 2,119,618,273.20 : x
  2. Step 2: Convert to fraction form
    3,903,805,656.30/5,387,100,709.92 = 2,119,618,273.20/x
  3. Step 3: Cross multiply
    3,903,805,656.30x = 5,387,100,709.92 × 2,119,618,273.20
  4. Step 4: Simplify right side
    3,903,805,656.30x = 11,418,597,104,315,125,760
  5. Step 5: Solve for x
    x = 11,418,597,104,315,125,760/3,903,805,656.30
  6. Step 6: Final answer
    x = 2,924,991,177.75

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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.