Finding the Fourth Proportional to 80,132,592,678.68, 120,202,754,826.99 and 26,348,537,522.98
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Solution
The fourth proportional to 80,132,592,678.68, 120,202,754,826.99 and 26,348,537,522.98 is: 39,524,077,407.86
Step by Step Solution
- Step 1: Write the proportion equation
80,132,592,678.68 : 120,202,754,826.99 = 26,348,537,522.98 : x - Step 2: Convert to fraction form
80,132,592,678.68/120,202,754,826.99 = 26,348,537,522.98/x - Step 3: Cross multiply
80,132,592,678.68x = 120,202,754,826.99 × 26,348,537,522.98 - Step 4: Simplify right side
80,132,592,678.68x = 3,167,166,795,924,511,391,744 - Step 5: Solve for x
x = 3,167,166,795,924,511,391,744/80,132,592,678.68 - Step 6: Final answer
x = 39,524,077,407.86
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1.5x scale
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.