Home / 484,419,979.98-726,950,895.21-266,222,698.38

Finding the Fourth Proportional to 484,419,979.98, 726,950,895.21 and 266,222,698.38

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Solution

The fourth proportional to 484,419,979.98, 726,950,895.21 and 266,222,698.38 is: 399,510,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,419,979.98 : 726,950,895.21 = 266,222,698.38 : x
  2. Step 2: Convert to fraction form
    484,419,979.98/726,950,895.21 = 266,222,698.38/x
  3. Step 3: Cross multiply
    484,419,979.98x = 726,950,895.21 × 266,222,698.38
  4. Step 4: Simplify right side
    484,419,979.98x = 193,530,828,912,562,816
  5. Step 5: Solve for x
    x = 193,530,828,912,562,816/484,419,979.98
  6. Step 6: Final answer
    x = 399,510,418.46

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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.