Home / 825,947,996.49-1,238,469,156.63-327,453,515.24

Finding the Fourth Proportional to 825,947,996.49, 1,238,469,156.63 and 327,453,515.24

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Solution

The fourth proportional to 825,947,996.49, 1,238,469,156.63 and 327,453,515.24 is: 491,000,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,947,996.49 : 1,238,469,156.63 = 327,453,515.24 : x
  2. Step 2: Convert to fraction form
    825,947,996.49/1,238,469,156.63 = 327,453,515.24/x
  3. Step 3: Cross multiply
    825,947,996.49x = 1,238,469,156.63 × 327,453,515.24
  4. Step 4: Simplify right side
    825,947,996.49x = 405,541,078,848,619,392
  5. Step 5: Solve for x
    x = 405,541,078,848,619,392/825,947,996.49
  6. Step 6: Final answer
    x = 491,000,741.66

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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.