Home / 622,757,037.80-934,135,556.70-393,433,466.60

Finding the Fourth Proportional to 622,757,037.80, 934,135,556.70 and 393,433,466.60

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Solution

The fourth proportional to 622,757,037.80, 934,135,556.70 and 393,433,466.60 is: 590,150,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,757,037.80 : 934,135,556.70 = 393,433,466.60 : x
  2. Step 2: Convert to fraction form
    622,757,037.80/934,135,556.70 = 393,433,466.60/x
  3. Step 3: Cross multiply
    622,757,037.80x = 934,135,556.70 × 393,433,466.60
  4. Step 4: Simplify right side
    622,757,037.80x = 367,520,190,346,801,920
  5. Step 5: Solve for x
    x = 367,520,190,346,801,920/622,757,037.80
  6. Step 6: Final answer
    x = 590,150,199.90

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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.