Home / 378,051,327.40-567,076,991.10-222,445,402.60

Finding the Fourth Proportional to 378,051,327.40, 567,076,991.10 and 222,445,402.60

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Solution

The fourth proportional to 378,051,327.40, 567,076,991.10 and 222,445,402.60 is: 333,668,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,051,327.40 : 567,076,991.10 = 222,445,402.60 : x
  2. Step 2: Convert to fraction form
    378,051,327.40/567,076,991.10 = 222,445,402.60/x
  3. Step 3: Cross multiply
    378,051,327.40x = 567,076,991.10 × 222,445,402.60
  4. Step 4: Simplify right side
    378,051,327.40x = 126,143,669,590,436,112
  5. Step 5: Solve for x
    x = 126,143,669,590,436,112/378,051,327.40
  6. Step 6: Final answer
    x = 333,668,103.90

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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.