Home / 528,580,738.80-729,462,103.92-361,667,083.32

Finding the Fourth Proportional to 528,580,738.80, 729,462,103.92 and 361,667,083.32

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Solution

The fourth proportional to 528,580,738.80, 729,462,103.92 and 361,667,083.32 is: 499,114,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,580,738.80 : 729,462,103.92 = 361,667,083.32 : x
  2. Step 2: Convert to fraction form
    528,580,738.80/729,462,103.92 = 361,667,083.32/x
  3. Step 3: Cross multiply
    528,580,738.80x = 729,462,103.92 × 361,667,083.32
  4. Step 4: Simplify right side
    528,580,738.80x = 263,822,431,517,217,120
  5. Step 5: Solve for x
    x = 263,822,431,517,217,120/528,580,738.80
  6. Step 6: Final answer
    x = 499,114,727.71

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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.