Home / 723,517,502.40-1,085,282,814.24-205,947,739.36

Finding the Fourth Proportional to 723,517,502.40, 1,085,282,814.24 and 205,947,739.36

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Solution

The fourth proportional to 723,517,502.40, 1,085,282,814.24 and 205,947,739.36 is: 308,923,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,517,502.40 : 1,085,282,814.24 = 205,947,739.36 : x
  2. Step 2: Convert to fraction form
    723,517,502.40/1,085,282,814.24 = 205,947,739.36/x
  3. Step 3: Cross multiply
    723,517,502.40x = 1,085,282,814.24 × 205,947,739.36
  4. Step 4: Simplify right side
    723,517,502.40x = 223,511,542,158,986,848
  5. Step 5: Solve for x
    x = 223,511,542,158,986,848/723,517,502.40
  6. Step 6: Final answer
    x = 308,923,476.51

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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.