Finding the Fourth Proportional to 21,930,147,874,384, 30,263,878,302,978 and 12,054,469,584,913
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Solution
The fourth proportional to 21,930,147,874,384, 30,263,878,302,978 and 12,054,469,584,913 is: 16,635,318,768,228.06
Step by Step Solution
- Step 1: Write the proportion equation
21,930,147,874,384 : 30,263,878,302,978 = 12,054,469,584,913 : x - Step 2: Convert to fraction form
21,930,147,874,384/30,263,878,302,978 = 12,054,469,584,913/x - Step 3: Cross multiply
21,930,147,874,384x = 30,263,878,302,978 × 12,054,469,584,913 - Step 4: Simplify right side
21,930,147,874,384x = 364,815,000,524,756,764,887,875,584 - Step 5: Solve for x
x = 364,815,000,524,756,764,887,875,584/21,930,147,874,384 - Step 6: Final answer
x = 16,635,318,768,228.06
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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.