Finding the Fourth Proportional to 3,969,141,370.26, 5,953,257,765.99 and 1,061,322,966.42
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Solution
The fourth proportional to 3,969,141,370.26, 5,953,257,765.99 and 1,061,322,966.42 is: 1,591,862,975.56
Step by Step Solution
- Step 1: Write the proportion equation
3,969,141,370.26 : 5,953,257,765.99 = 1,061,322,966.42 : x - Step 2: Convert to fraction form
3,969,141,370.26/5,953,257,765.99 = 1,061,322,966.42/x - Step 3: Cross multiply
3,969,141,370.26x = 5,953,257,765.99 × 1,061,322,966.42 - Step 4: Simplify right side
3,969,141,370.26x = 6,318,329,192,063,408,128 - Step 5: Solve for x
x = 6,318,329,192,063,408,128/3,969,141,370.26 - Step 6: Final answer
x = 1,591,862,975.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.