Home / 378,051,333.40-567,077,000.10-222,445,408.60

Finding the Fourth Proportional to 378,051,333.40, 567,077,000.10 and 222,445,408.60

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Solution

The fourth proportional to 378,051,333.40, 567,077,000.10 and 222,445,408.60 is: 333,668,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,051,333.40 : 567,077,000.10 = 222,445,408.60 : x
  2. Step 2: Convert to fraction form
    378,051,333.40/567,077,000.10 = 222,445,408.60/x
  3. Step 3: Cross multiply
    378,051,333.40x = 567,077,000.10 × 222,445,408.60
  4. Step 4: Simplify right side
    378,051,333.40x = 126,143,674,994,906,736
  5. Step 5: Solve for x
    x = 126,143,674,994,906,736/378,051,333.40
  6. Step 6: Final answer
    x = 333,668,112.90

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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.