Home / 2,589,162,816.40-3,884,122,138.20-842,068,243.60

Finding the Fourth Proportional to 2,589,162,816.40, 3,884,122,138.20 and 842,068,243.60

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Solution

The fourth proportional to 2,589,162,816.40, 3,884,122,138.20 and 842,068,243.60 is: 1,263,225,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,162,816.40 : 3,884,122,138.20 = 842,068,243.60 : x
  2. Step 2: Convert to fraction form
    2,589,162,816.40/3,884,122,138.20 = 842,068,243.60/x
  3. Step 3: Cross multiply
    2,589,162,816.40x = 3,884,122,138.20 × 842,068,243.60
  4. Step 4: Simplify right side
    2,589,162,816.40x = 3,270,695,906,841,950,208
  5. Step 5: Solve for x
    x = 3,270,695,906,841,950,208/2,589,162,816.40
  6. Step 6: Final answer
    x = 1,263,225,273.48

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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.