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Finding the Fourth Proportional to 18,059,474,135.45, 27,089,211,203.18 and 18,059,474,135.45

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Solution

The fourth proportional to 18,059,474,135.45, 27,089,211,203.18 and 18,059,474,135.45 is: 27,089,211,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059,474,135.45 : 27,089,211,203.18 = 18,059,474,135.45 : x
  2. Step 2: Convert to fraction form
    18,059,474,135.45/27,089,211,203.18 = 18,059,474,135.45/x
  3. Step 3: Cross multiply
    18,059,474,135.45x = 27,089,211,203.18 × 18,059,474,135.45
  4. Step 4: Simplify right side
    18,059,474,135.45x = 489,216,909,073,571,643,392
  5. Step 5: Solve for x
    x = 489,216,909,073,571,643,392/18,059,474,135.45
  6. Step 6: Final answer
    x = 27,089,211,203.18

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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.