Home / 19,721,661,689.88-29,563,974,456.84-6,626,300,399.64

Finding the Fourth Proportional to 19,721,661,689.88, 29,563,974,456.84 and 6,626,300,399.64

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Solution

The fourth proportional to 19,721,661,689.88, 29,563,974,456.84 and 6,626,300,399.64 is: 9,933,228,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,661,689.88 : 29,563,974,456.84 = 6,626,300,399.64 : x
  2. Step 2: Convert to fraction form
    19,721,661,689.88/29,563,974,456.84 = 6,626,300,399.64/x
  3. Step 3: Cross multiply
    19,721,661,689.88x = 29,563,974,456.84 × 6,626,300,399.64
  4. Step 4: Simplify right side
    19,721,661,689.88x = 195,899,775,758,305,656,832
  5. Step 5: Solve for x
    x = 195,899,775,758,305,656,832/19,721,661,689.88
  6. Step 6: Final answer
    x = 9,933,228,692.33

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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.