Home / 839,809,375.20-1,259,714,062.80-664,457,464.80

Finding the Fourth Proportional to 839,809,375.20, 1,259,714,062.80 and 664,457,464.80

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Solution

The fourth proportional to 839,809,375.20, 1,259,714,062.80 and 664,457,464.80 is: 996,686,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,375.20 : 1,259,714,062.80 = 664,457,464.80 : x
  2. Step 2: Convert to fraction form
    839,809,375.20/1,259,714,062.80 = 664,457,464.80/x
  3. Step 3: Cross multiply
    839,809,375.20x = 1,259,714,062.80 × 664,457,464.80
  4. Step 4: Simplify right side
    839,809,375.20x = 837,026,412,540,995,840
  5. Step 5: Solve for x
    x = 837,026,412,540,995,840/839,809,375.20
  6. Step 6: Final answer
    x = 996,686,197.20

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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.