Home / 2,791,181,273.28-3,851,855,630.40-1,538,163,087.36

Finding the Fourth Proportional to 2,791,181,273.28, 3,851,855,630.40 and 1,538,163,087.36

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Solution

The fourth proportional to 2,791,181,273.28, 3,851,855,630.40 and 1,538,163,087.36 is: 2,122,679,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,181,273.28 : 3,851,855,630.40 = 1,538,163,087.36 : x
  2. Step 2: Convert to fraction form
    2,791,181,273.28/3,851,855,630.40 = 1,538,163,087.36/x
  3. Step 3: Cross multiply
    2,791,181,273.28x = 3,851,855,630.40 × 1,538,163,087.36
  4. Step 4: Simplify right side
    2,791,181,273.28x = 5,924,782,148,521,062,400
  5. Step 5: Solve for x
    x = 5,924,782,148,521,062,400/2,791,181,273.28
  6. Step 6: Final answer
    x = 2,122,679,098.36

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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.