Home / 394,425,673.84-544,303,394.22-218,214,930.34

Finding the Fourth Proportional to 394,425,673.84, 544,303,394.22 and 218,214,930.34

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Solution

The fourth proportional to 394,425,673.84, 544,303,394.22 and 218,214,930.34 is: 301,134,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,425,673.84 : 544,303,394.22 = 218,214,930.34 : x
  2. Step 2: Convert to fraction form
    394,425,673.84/544,303,394.22 = 218,214,930.34/x
  3. Step 3: Cross multiply
    394,425,673.84x = 544,303,394.22 × 218,214,930.34
  4. Step 4: Simplify right side
    394,425,673.84x = 118,775,127,253,542,864
  5. Step 5: Solve for x
    x = 118,775,127,253,542,864/394,425,673.84
  6. Step 6: Final answer
    x = 301,134,371.14

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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.