Home / 2,791,087,195.44-3,851,726,157.90-1,538,068,890.36

Finding the Fourth Proportional to 2,791,087,195.44, 3,851,726,157.90 and 1,538,068,890.36

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Solution

The fourth proportional to 2,791,087,195.44, 3,851,726,157.90 and 1,538,068,890.36 is: 2,122,549,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,087,195.44 : 3,851,726,157.90 = 1,538,068,890.36 : x
  2. Step 2: Convert to fraction form
    2,791,087,195.44/3,851,726,157.90 = 1,538,068,890.36/x
  3. Step 3: Cross multiply
    2,791,087,195.44x = 3,851,726,157.90 × 1,538,068,890.36
  4. Step 4: Simplify right side
    2,791,087,195.44x = 5,924,220,177,651,838,976
  5. Step 5: Solve for x
    x = 5,924,220,177,651,838,976/2,791,087,195.44
  6. Step 6: Final answer
    x = 2,122,549,301.70

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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.