Home / 13,681,907,992.82-18,883,015,274.18-7,660,801,421.12

Finding the Fourth Proportional to 13,681,907,992.82, 18,883,015,274.18 and 7,660,801,421.12

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Solution

The fourth proportional to 13,681,907,992.82, 18,883,015,274.18 and 7,660,801,421.12 is: 10,573,015,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,907,992.82 : 18,883,015,274.18 = 7,660,801,421.12 : x
  2. Step 2: Convert to fraction form
    13,681,907,992.82/18,883,015,274.18 = 7,660,801,421.12/x
  3. Step 3: Cross multiply
    13,681,907,992.82x = 18,883,015,274.18 × 7,660,801,421.12
  4. Step 4: Simplify right side
    13,681,907,992.82x = 144,659,030,247,468,810,240
  5. Step 5: Solve for x
    x = 144,659,030,247,468,810,240/13,681,907,992.82
  6. Step 6: Final answer
    x = 10,573,015,863.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.