Finding the Fourth Proportional to 32,491,576,788.11, 44,821,874,086.02 and 21,220,605,998.99
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Solution
The fourth proportional to 32,491,576,788.11, 44,821,874,086.02 and 21,220,605,998.99 is: 29,273,658,718.33
Step by Step Solution
- Step 1: Write the proportion equation
32,491,576,788.11 : 44,821,874,086.02 = 21,220,605,998.99 : x - Step 2: Convert to fraction form
32,491,576,788.11/44,821,874,086.02 = 21,220,605,998.99/x - Step 3: Cross multiply
32,491,576,788.11x = 44,821,874,086.02 × 21,220,605,998.99 - Step 4: Simplify right side
32,491,576,788.11x = 951,147,330,115,546,251,264 - Step 5: Solve for x
x = 951,147,330,115,546,251,264/32,491,576,788.11 - Step 6: Final answer
x = 29,273,658,718.33
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1.5x scale
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.