Home / 17,028,109,977.80-23,328,120,972.98-16,391,466,229.64

Finding the Fourth Proportional to 17,028,109,977.80, 23,328,120,972.98 and 16,391,466,229.64

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Solution

The fourth proportional to 17,028,109,977.80, 23,328,120,972.98 and 16,391,466,229.64 is: 22,455,933,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028,109,977.80 : 23,328,120,972.98 = 16,391,466,229.64 : x
  2. Step 2: Convert to fraction form
    17,028,109,977.80/23,328,120,972.98 = 16,391,466,229.64/x
  3. Step 3: Cross multiply
    17,028,109,977.80x = 23,328,120,972.98 × 16,391,466,229.64
  4. Step 4: Simplify right side
    17,028,109,977.80x = 382,382,107,129,558,269,952
  5. Step 5: Solve for x
    x = 382,382,107,129,558,269,952/17,028,109,977.80
  6. Step 6: Final answer
    x = 22,455,933,607.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.