Finding the Fourth Proportional to 8,259,669,809.26, 12,380,682,571.28 and 4,710,770,584.18
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Solution
The fourth proportional to 8,259,669,809.26, 12,380,682,571.28 and 4,710,770,584.18 is: 7,061,124,308.32
Step by Step Solution
- Step 1: Write the proportion equation
8,259,669,809.26 : 12,380,682,571.28 = 4,710,770,584.18 : x - Step 2: Convert to fraction form
8,259,669,809.26/12,380,682,571.28 = 4,710,770,584.18/x - Step 3: Cross multiply
8,259,669,809.26x = 12,380,682,571.28 × 4,710,770,584.18 - Step 4: Simplify right side
8,259,669,809.26x = 58,322,555,268,855,840,768 - Step 5: Solve for x
x = 58,322,555,268,855,840,768/8,259,669,809.26 - Step 6: Final answer
x = 7,061,124,308.32
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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.