Home / 413,958,754.35-571,269,816.11-225,787,000.54

Finding the Fourth Proportional to 413,958,754.35, 571,269,816.11 and 225,787,000.54

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Solution

The fourth proportional to 413,958,754.35, 571,269,816.11 and 225,787,000.54 is: 311,589,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,958,754.35 : 571,269,816.11 = 225,787,000.54 : x
  2. Step 2: Convert to fraction form
    413,958,754.35/571,269,816.11 = 225,787,000.54/x
  3. Step 3: Cross multiply
    413,958,754.35x = 571,269,816.11 × 225,787,000.54
  4. Step 4: Simplify right side
    413,958,754.35x = 128,985,298,278,514,272
  5. Step 5: Solve for x
    x = 128,985,298,278,514,272/413,958,754.35
  6. Step 6: Final answer
    x = 311,589,734.30

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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.