Home / 12,381,617,194.89-18,571,907,028.42-3,987,337,023.18

Finding the Fourth Proportional to 12,381,617,194.89, 18,571,907,028.42 and 3,987,337,023.18

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Solution

The fourth proportional to 12,381,617,194.89, 18,571,907,028.42 and 3,987,337,023.18 is: 5,980,838,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,617,194.89 : 18,571,907,028.42 = 3,987,337,023.18 : x
  2. Step 2: Convert to fraction form
    12,381,617,194.89/18,571,907,028.42 = 3,987,337,023.18/x
  3. Step 3: Cross multiply
    12,381,617,194.89x = 18,571,907,028.42 × 3,987,337,023.18
  4. Step 4: Simplify right side
    12,381,617,194.89x = 74,052,452,485,423,906,816
  5. Step 5: Solve for x
    x = 74,052,452,485,423,906,816/12,381,617,194.89
  6. Step 6: Final answer
    x = 5,980,838,473.67

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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.