Finding the Fourth Proportional to 8,168,991,249.24, 11,278,412,961.66 and 6,667,199,891.48
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Solution
The fourth proportional to 8,168,991,249.24, 11,278,412,961.66 and 6,667,199,891.48 is: 9,204,983,991.26
Step by Step Solution
- Step 1: Write the proportion equation
8,168,991,249.24 : 11,278,412,961.66 = 6,667,199,891.48 : x - Step 2: Convert to fraction form
8,168,991,249.24/11,278,412,961.66 = 6,667,199,891.48/x - Step 3: Cross multiply
8,168,991,249.24x = 11,278,412,961.66 × 6,667,199,891.48 - Step 4: Simplify right side
8,168,991,249.24x = 75,195,433,673,989,783,552 - Step 5: Solve for x
x = 75,195,433,673,989,783,552/8,168,991,249.24 - Step 6: Final answer
x = 9,204,983,991.26
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1.5x scale
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.