Finding the Fourth Proportional to 4,946,335,586.80, 7,419,503,380.20 and 2,497,455,458.80
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Solution
The fourth proportional to 4,946,335,586.80, 7,419,503,380.20 and 2,497,455,458.80 is: 3,746,183,188.20
Step by Step Solution
- Step 1: Write the proportion equation
4,946,335,586.80 : 7,419,503,380.20 = 2,497,455,458.80 : x - Step 2: Convert to fraction form
4,946,335,586.80/7,419,503,380.20 = 2,497,455,458.80/x - Step 3: Cross multiply
4,946,335,586.80x = 7,419,503,380.20 × 2,497,455,458.80 - Step 4: Simplify right side
4,946,335,586.80x = 18,529,879,218,465,542,144 - Step 5: Solve for x
x = 18,529,879,218,465,542,144/4,946,335,586.80 - Step 6: Final answer
x = 3,746,183,188.20
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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.