Home / 839,809,672.20-1,259,714,508.30-755,157,025.80

Finding the Fourth Proportional to 839,809,672.20, 1,259,714,508.30 and 755,157,025.80

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Solution

The fourth proportional to 839,809,672.20, 1,259,714,508.30 and 755,157,025.80 is: 1,132,735,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,672.20 : 1,259,714,508.30 = 755,157,025.80 : x
  2. Step 2: Convert to fraction form
    839,809,672.20/1,259,714,508.30 = 755,157,025.80/x
  3. Step 3: Cross multiply
    839,809,672.20x = 1,259,714,508.30 × 755,157,025.80
  4. Step 4: Simplify right side
    839,809,672.20x = 951,282,261,444,937,344
  5. Step 5: Solve for x
    x = 951,282,261,444,937,344/839,809,672.20
  6. Step 6: Final answer
    x = 1,132,735,538.70

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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.