Home / 21,315,780,395.34-29,414,611,573.41-11,668,644,115.44

Finding the Fourth Proportional to 21,315,780,395.34, 29,414,611,573.41 and 11,668,644,115.44

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Solution

The fourth proportional to 21,315,780,395.34, 29,414,611,573.41 and 11,668,644,115.44 is: 16,102,090,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,780,395.34 : 29,414,611,573.41 = 11,668,644,115.44 : x
  2. Step 2: Convert to fraction form
    21,315,780,395.34/29,414,611,573.41 = 11,668,644,115.44/x
  3. Step 3: Cross multiply
    21,315,780,395.34x = 29,414,611,573.41 × 11,668,644,115.44
  4. Step 4: Simplify right side
    21,315,780,395.34x = 343,228,634,244,023,910,400
  5. Step 5: Solve for x
    x = 343,228,634,244,023,910,400/21,315,780,395.34
  6. Step 6: Final answer
    x = 16,102,090,933.49

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1.5x scale

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.