Finding the Fourth Proportional to 2,477,910,903.30, 3,716,989,861.68 and 707,544,197.10
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Solution
The fourth proportional to 2,477,910,903.30, 3,716,989,861.68 and 707,544,197.10 is: 1,061,351,561.84
Step by Step Solution
- Step 1: Write the proportion equation
2,477,910,903.30 : 3,716,989,861.68 = 707,544,197.10 : x - Step 2: Convert to fraction form
2,477,910,903.30/3,716,989,861.68 = 707,544,197.10/x - Step 3: Cross multiply
2,477,910,903.30x = 3,716,989,861.68 × 707,544,197.10 - Step 4: Simplify right side
2,477,910,903.30x = 2,629,934,607,311,215,616 - Step 5: Solve for x
x = 2,629,934,607,311,215,616/2,477,910,903.30 - Step 6: Final answer
x = 1,061,351,561.84
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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.