Home / 338,667,453.24-507,836,847.06-198,646,161.72

Finding the Fourth Proportional to 338,667,453.24, 507,836,847.06 and 198,646,161.72

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Solution

The fourth proportional to 338,667,453.24, 507,836,847.06 and 198,646,161.72 is: 297,872,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,667,453.24 : 507,836,847.06 = 198,646,161.72 : x
  2. Step 2: Convert to fraction form
    338,667,453.24/507,836,847.06 = 198,646,161.72/x
  3. Step 3: Cross multiply
    338,667,453.24x = 507,836,847.06 × 198,646,161.72
  4. Step 4: Simplify right side
    338,667,453.24x = 100,879,840,448,455,664
  5. Step 5: Solve for x
    x = 100,879,840,448,455,664/338,667,453.24
  6. Step 6: Final answer
    x = 297,872,852.80

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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.