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Finding the Fourth Proportional to 3,669,787,661.73, 5,504,681,492.59 and 3,669,787,661.73

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Solution

The fourth proportional to 3,669,787,661.73, 5,504,681,492.59 and 3,669,787,661.73 is: 5,504,681,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,787,661.73 : 5,504,681,492.59 = 3,669,787,661.73 : x
  2. Step 2: Convert to fraction form
    3,669,787,661.73/5,504,681,492.59 = 3,669,787,661.73/x
  3. Step 3: Cross multiply
    3,669,787,661.73x = 5,504,681,492.59 × 3,669,787,661.73
  4. Step 4: Simplify right side
    3,669,787,661.73x = 20,201,012,223,260,262,400
  5. Step 5: Solve for x
    x = 20,201,012,223,260,262,400/3,669,787,661.73
  6. Step 6: Final answer
    x = 5,504,681,492.59

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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.