Home / 821,670,704.37-1,133,244,406.31-722,339,067.15

Finding the Fourth Proportional to 821,670,704.37, 1,133,244,406.31 and 722,339,067.15

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Solution

The fourth proportional to 821,670,704.37, 1,133,244,406.31 and 722,339,067.15 is: 996,246,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,670,704.37 : 1,133,244,406.31 = 722,339,067.15 : x
  2. Step 2: Convert to fraction form
    821,670,704.37/1,133,244,406.31 = 722,339,067.15/x
  3. Step 3: Cross multiply
    821,670,704.37x = 1,133,244,406.31 × 722,339,067.15
  4. Step 4: Simplify right side
    821,670,704.37x = 818,586,707,303,309,312
  5. Step 5: Solve for x
    x = 818,586,707,303,309,312/821,670,704.37
  6. Step 6: Final answer
    x = 996,246,675.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.