Home / 326,624,702-450,439,320.32-238,378,921.52

Finding the Fourth Proportional to 326,624,702, 450,439,320.32 and 238,378,921.52

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Solution

The fourth proportional to 326,624,702, 450,439,320.32 and 238,378,921.52 is: 328,741,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,624,702 : 450,439,320.32 = 238,378,921.52 : x
  2. Step 2: Convert to fraction form
    326,624,702/450,439,320.32 = 238,378,921.52/x
  3. Step 3: Cross multiply
    326,624,702x = 450,439,320.32 × 238,378,921.52
  4. Step 4: Simplify right side
    326,624,702x = 107,375,239,388,083,424
  5. Step 5: Solve for x
    x = 107,375,239,388,083,424/326,624,702
  6. Step 6: Final answer
    x = 328,741,943.68

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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.