Home / 21,659,694,578.24-29,889,801,777.16-12,503,914,417.76

Finding the Fourth Proportional to 21,659,694,578.24, 29,889,801,777.16 and 12,503,914,417.76

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Solution

The fourth proportional to 21,659,694,578.24, 29,889,801,777.16 and 12,503,914,417.76 is: 17,255,068,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659,694,578.24 : 29,889,801,777.16 = 12,503,914,417.76 : x
  2. Step 2: Convert to fraction form
    21,659,694,578.24/29,889,801,777.16 = 12,503,914,417.76/x
  3. Step 3: Cross multiply
    21,659,694,578.24x = 29,889,801,777.16 × 12,503,914,417.76
  4. Step 4: Simplify right side
    21,659,694,578.24x = 373,739,523,385,419,431,936
  5. Step 5: Solve for x
    x = 373,739,523,385,419,431,936/21,659,694,578.24
  6. Step 6: Final answer
    x = 17,255,068,950.09

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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.