Home / 448,309,270.80-672,463,906.20-218,726,758.80

Finding the Fourth Proportional to 448,309,270.80, 672,463,906.20 and 218,726,758.80

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Solution

The fourth proportional to 448,309,270.80, 672,463,906.20 and 218,726,758.80 is: 328,090,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,309,270.80 : 672,463,906.20 = 218,726,758.80 : x
  2. Step 2: Convert to fraction form
    448,309,270.80/672,463,906.20 = 218,726,758.80/x
  3. Step 3: Cross multiply
    448,309,270.80x = 672,463,906.20 × 218,726,758.80
  4. Step 4: Simplify right side
    448,309,270.80x = 147,085,850,613,113,248
  5. Step 5: Solve for x
    x = 147,085,850,613,113,248/448,309,270.80
  6. Step 6: Final answer
    x = 328,090,138.20

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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.