Home / 20,662,469,737,799-28,515,074,505,985-11,883,137,471,451

Finding the Fourth Proportional to 20,662,469,737,799, 28,515,074,505,985 and 11,883,137,471,451

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Solution

The fourth proportional to 20,662,469,737,799, 28,515,074,505,985 and 11,883,137,471,451 is: 16,399,227,907,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662,469,737,799 : 28,515,074,505,985 = 11,883,137,471,451 : x
  2. Step 2: Convert to fraction form
    20,662,469,737,799/28,515,074,505,985 = 11,883,137,471,451/x
  3. Step 3: Cross multiply
    20,662,469,737,799x = 28,515,074,505,985 × 11,883,137,471,451
  4. Step 4: Simplify right side
    20,662,469,737,799x = 338,848,550,363,287,465,209,364,480
  5. Step 5: Solve for x
    x = 338,848,550,363,287,465,209,364,480/20,662,469,737,799
  6. Step 6: Final answer
    x = 16,399,227,907,562.91

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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.