Home / 849,649,661.20-1,274,474,491.80-620,067,149.20

Finding the Fourth Proportional to 849,649,661.20, 1,274,474,491.80 and 620,067,149.20

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Solution

The fourth proportional to 849,649,661.20, 1,274,474,491.80 and 620,067,149.20 is: 930,100,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,649,661.20 : 1,274,474,491.80 = 620,067,149.20 : x
  2. Step 2: Convert to fraction form
    849,649,661.20/1,274,474,491.80 = 620,067,149.20/x
  3. Step 3: Cross multiply
    849,649,661.20x = 1,274,474,491.80 × 620,067,149.20
  4. Step 4: Simplify right side
    849,649,661.20x = 790,259,764,858,544,768
  5. Step 5: Solve for x
    x = 790,259,764,858,544,768/849,649,661.20
  6. Step 6: Final answer
    x = 930,100,723.80

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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.