Home / 413,958,753.35-571,269,814.73-225,786,999.54

Finding the Fourth Proportional to 413,958,753.35, 571,269,814.73 and 225,786,999.54

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Solution

The fourth proportional to 413,958,753.35, 571,269,814.73 and 225,786,999.54 is: 311,589,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,958,753.35 : 571,269,814.73 = 225,786,999.54 : x
  2. Step 2: Convert to fraction form
    413,958,753.35/571,269,814.73 = 225,786,999.54/x
  3. Step 3: Cross multiply
    413,958,753.35x = 571,269,814.73 × 225,786,999.54
  4. Step 4: Simplify right side
    413,958,753.35x = 128,985,297,395,658,400
  5. Step 5: Solve for x
    x = 128,985,297,395,658,400/413,958,753.35
  6. Step 6: Final answer
    x = 311,589,732.92

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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.