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Finding the Fourth Proportional to 13,649,521,592.85, 20,474,282,389.28 and 13,649,521,592.85

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Solution

The fourth proportional to 13,649,521,592.85, 20,474,282,389.28 and 13,649,521,592.85 is: 20,474,282,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,521,592.85 : 20,474,282,389.28 = 13,649,521,592.85 : x
  2. Step 2: Convert to fraction form
    13,649,521,592.85/20,474,282,389.28 = 13,649,521,592.85/x
  3. Step 3: Cross multiply
    13,649,521,592.85x = 20,474,282,389.28 × 13,649,521,592.85
  4. Step 4: Simplify right side
    13,649,521,592.85x = 279,464,159,570,517,622,784
  5. Step 5: Solve for x
    x = 279,464,159,570,517,622,784/13,649,521,592.85
  6. Step 6: Final answer
    x = 20,474,282,389.28

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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.