Home / 394,425,650.34-544,303,361.78-218,214,906.83

Finding the Fourth Proportional to 394,425,650.34, 544,303,361.78 and 218,214,906.83

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Solution

The fourth proportional to 394,425,650.34, 544,303,361.78 and 218,214,906.83 is: 301,134,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,425,650.34 : 544,303,361.78 = 218,214,906.83 : x
  2. Step 2: Convert to fraction form
    394,425,650.34/544,303,361.78 = 218,214,906.83/x
  3. Step 3: Cross multiply
    394,425,650.34x = 544,303,361.78 × 218,214,906.83
  4. Step 4: Simplify right side
    394,425,650.34x = 118,775,107,374,265,872
  5. Step 5: Solve for x
    x = 118,775,107,374,265,872/394,425,650.34
  6. Step 6: Final answer
    x = 301,134,338.68

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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.