Home / 7,978,186,276.20-11,967,279,414.30-2,456,726,862.60

Finding the Fourth Proportional to 7,978,186,276.20, 11,967,279,414.30 and 2,456,726,862.60

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Solution

The fourth proportional to 7,978,186,276.20, 11,967,279,414.30 and 2,456,726,862.60 is: 3,685,090,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,186,276.20 : 11,967,279,414.30 = 2,456,726,862.60 : x
  2. Step 2: Convert to fraction form
    7,978,186,276.20/11,967,279,414.30 = 2,456,726,862.60/x
  3. Step 3: Cross multiply
    7,978,186,276.20x = 11,967,279,414.30 × 2,456,726,862.60
  4. Step 4: Simplify right side
    7,978,186,276.20x = 29,400,336,809,350,803,456
  5. Step 5: Solve for x
    x = 29,400,336,809,350,803,456/7,978,186,276.20
  6. Step 6: Final answer
    x = 3,685,090,293.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.