Home / 368,661,320.12-508,760,121.49-201,408,414.30

Finding the Fourth Proportional to 368,661,320.12, 508,760,121.49 and 201,408,414.30

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Solution

The fourth proportional to 368,661,320.12, 508,760,121.49 and 201,408,414.30 is: 277,947,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,661,320.12 : 508,760,121.49 = 201,408,414.30 : x
  2. Step 2: Convert to fraction form
    368,661,320.12/508,760,121.49 = 201,408,414.30/x
  3. Step 3: Cross multiply
    368,661,320.12x = 508,760,121.49 × 201,408,414.30
  4. Step 4: Simplify right side
    368,661,320.12x = 102,468,569,327,872,736
  5. Step 5: Solve for x
    x = 102,468,569,327,872,736/368,661,320.12
  6. Step 6: Final answer
    x = 277,947,709.01

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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.