Home / 422,291,424-632,612,492.16-200,647,344.84

Finding the Fourth Proportional to 422,291,424, 632,612,492.16 and 200,647,344.84

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Solution

The fourth proportional to 422,291,424, 632,612,492.16 and 200,647,344.84 is: 300,579,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,291,424 : 632,612,492.16 = 200,647,344.84 : x
  2. Step 2: Convert to fraction form
    422,291,424/632,612,492.16 = 200,647,344.84/x
  3. Step 3: Cross multiply
    422,291,424x = 632,612,492.16 × 200,647,344.84
  4. Step 4: Simplify right side
    422,291,424x = 126,932,016,864,519,312
  5. Step 5: Solve for x
    x = 126,932,016,864,519,312/422,291,424
  6. Step 6: Final answer
    x = 300,579,196.38

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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.