Finding the Fourth Proportional to 5,491,943,274.05, 7,580,494,661.14 and 3,586,995,970.20
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Solution
The fourth proportional to 5,491,943,274.05, 7,580,494,661.14 and 3,586,995,970.20 is: 4,951,107,912.95
Step by Step Solution
- Step 1: Write the proportion equation
5,491,943,274.05 : 7,580,494,661.14 = 3,586,995,970.20 : x - Step 2: Convert to fraction form
5,491,943,274.05/7,580,494,661.14 = 3,586,995,970.20/x - Step 3: Cross multiply
5,491,943,274.05x = 7,580,494,661.14 × 3,586,995,970.20 - Step 4: Simplify right side
5,491,943,274.05x = 27,191,203,801,635,381,248 - Step 5: Solve for x
x = 27,191,203,801,635,381,248/5,491,943,274.05 - Step 6: Final answer
x = 4,951,107,912.95
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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.