Finding the Fourth Proportional to 32,491,576,789.11, 44,821,874,087.40 and 21,220,605,999.99
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Solution
The fourth proportional to 32,491,576,789.11, 44,821,874,087.40 and 21,220,605,999.99 is: 29,273,658,719.72
Step by Step Solution
- Step 1: Write the proportion equation
32,491,576,789.11 : 44,821,874,087.40 = 21,220,605,999.99 : x - Step 2: Convert to fraction form
32,491,576,789.11/44,821,874,087.40 = 21,220,605,999.99/x - Step 3: Cross multiply
32,491,576,789.11x = 44,821,874,087.40 × 21,220,605,999.99 - Step 4: Simplify right side
32,491,576,789.11x = 951,147,330,189,876,789,248 - Step 5: Solve for x
x = 951,147,330,189,876,789,248/32,491,576,789.11 - Step 6: Final answer
x = 29,273,658,719.72
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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.