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Finding the Fourth Proportional to 68,958,902,238.37, 103,438,353,357.54 and 68,958,902,238.37

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Solution

The fourth proportional to 68,958,902,238.37, 103,438,353,357.54 and 68,958,902,238.37 is: 103,438,353,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958,902,238.37 : 103,438,353,357.54 = 68,958,902,238.37 : x
  2. Step 2: Convert to fraction form
    68,958,902,238.37/103,438,353,357.54 = 68,958,902,238.37/x
  3. Step 3: Cross multiply
    68,958,902,238.37x = 103,438,353,357.54 × 68,958,902,238.37
  4. Step 4: Simplify right side
    68,958,902,238.37x = 7,132,995,296,880,571,187,200
  5. Step 5: Solve for x
    x = 7,132,995,296,880,571,187,200/68,958,902,238.37
  6. Step 6: Final answer
    x = 103,438,353,357.54

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1.5x scale

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.