Finding the Fourth Proportional to 8,168,991,250.24, 11,278,412,963.04 and 6,667,199,892.48
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Solution
The fourth proportional to 8,168,991,250.24, 11,278,412,963.04 and 6,667,199,892.48 is: 9,204,983,992.65
Step by Step Solution
- Step 1: Write the proportion equation
8,168,991,250.24 : 11,278,412,963.04 = 6,667,199,892.48 : x - Step 2: Convert to fraction form
8,168,991,250.24/11,278,412,963.04 = 6,667,199,892.48/x - Step 3: Cross multiply
8,168,991,250.24x = 11,278,412,963.04 × 6,667,199,892.48 - Step 4: Simplify right side
8,168,991,250.24x = 75,195,433,694,525,325,312 - Step 5: Solve for x
x = 75,195,433,694,525,325,312/8,168,991,250.24 - Step 6: Final answer
x = 9,204,983,992.65
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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.