Home / 664,303,620.70-996,455,431.05-492,116,736.70

Finding the Fourth Proportional to 664,303,620.70, 996,455,431.05 and 492,116,736.70

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Solution

The fourth proportional to 664,303,620.70, 996,455,431.05 and 492,116,736.70 is: 738,175,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,620.70 : 996,455,431.05 = 492,116,736.70 : x
  2. Step 2: Convert to fraction form
    664,303,620.70/996,455,431.05 = 492,116,736.70/x
  3. Step 3: Cross multiply
    664,303,620.70x = 996,455,431.05 × 492,116,736.70
  4. Step 4: Simplify right side
    664,303,620.70x = 490,372,394,995,317,824
  5. Step 5: Solve for x
    x = 490,372,394,995,317,824/664,303,620.70
  6. Step 6: Final answer
    x = 738,175,105.05

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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.