Home / 378,394,362.05-567,881,245.89-171,278,222.49

Finding the Fourth Proportional to 378,394,362.05, 567,881,245.89 and 171,278,222.49

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Solution

The fourth proportional to 378,394,362.05, 567,881,245.89 and 171,278,222.49 is: 257,048,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,394,362.05 : 567,881,245.89 = 171,278,222.49 : x
  2. Step 2: Convert to fraction form
    378,394,362.05/567,881,245.89 = 171,278,222.49/x
  3. Step 3: Cross multiply
    378,394,362.05x = 567,881,245.89 × 171,278,222.49
  4. Step 4: Simplify right side
    378,394,362.05x = 97,265,690,381,445,824
  5. Step 5: Solve for x
    x = 97,265,690,381,445,824/378,394,362.05
  6. Step 6: Final answer
    x = 257,048,466.20

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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.