Finding the Fourth Proportional to 1,082,410,566.18, 1,493,726,581.42 and 587,373,274.68
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Solution
The fourth proportional to 1,082,410,566.18, 1,493,726,581.42 and 587,373,274.68 is: 810,575,119.11
Step by Step Solution
- Step 1: Write the proportion equation
1,082,410,566.18 : 1,493,726,581.42 = 587,373,274.68 : x - Step 2: Convert to fraction form
1,082,410,566.18/1,493,726,581.42 = 587,373,274.68/x - Step 3: Cross multiply
1,082,410,566.18x = 1,493,726,581.42 × 587,373,274.68 - Step 4: Simplify right side
1,082,410,566.18x = 877,375,073,605,227,008 - Step 5: Solve for x
x = 877,375,073,605,227,008/1,082,410,566.18 - Step 6: Final answer
x = 810,575,119.11
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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.