Finding the Fourth Proportional to 18,388,086,410.24, 27,582,129,979.84 and 4,413,708,302.12
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Solution
The fourth proportional to 18,388,086,410.24, 27,582,129,979.84 and 4,413,708,302.12 is: 6,620,562,540.67
Step by Step Solution
- Step 1: Write the proportion equation
18,388,086,410.24 : 27,582,129,979.84 = 4,413,708,302.12 : x - Step 2: Convert to fraction form
18,388,086,410.24/27,582,129,979.84 = 4,413,708,302.12/x - Step 3: Cross multiply
18,388,086,410.24x = 27,582,129,979.84 × 4,413,708,302.12 - Step 4: Simplify right side
18,388,086,410.24x = 121,739,476,082,172,755,968 - Step 5: Solve for x
x = 121,739,476,082,172,755,968/18,388,086,410.24 - Step 6: Final answer
x = 6,620,562,540.67
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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.