Home / 839,809,900.80-1,259,714,851.20-737,773,228.80

Finding the Fourth Proportional to 839,809,900.80, 1,259,714,851.20 and 737,773,228.80

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Solution

The fourth proportional to 839,809,900.80, 1,259,714,851.20 and 737,773,228.80 is: 1,106,659,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,900.80 : 1,259,714,851.20 = 737,773,228.80 : x
  2. Step 2: Convert to fraction form
    839,809,900.80/1,259,714,851.20 = 737,773,228.80/x
  3. Step 3: Cross multiply
    839,809,900.80x = 1,259,714,851.20 × 737,773,228.80
  4. Step 4: Simplify right side
    839,809,900.80x = 929,383,893,137,135,488
  5. Step 5: Solve for x
    x = 929,383,893,137,135,488/839,809,900.80
  6. Step 6: Final answer
    x = 1,106,659,843.20

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Double scale
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1.5x scale

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.