Finding the Fourth Proportional to 7,395,439,015.87, 11,093,320,022.81 and 4,450,182,365.05
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Solution
The fourth proportional to 7,395,439,015.87, 11,093,320,022.81 and 4,450,182,365.05 is: 6,675,370,729.09
Step by Step Solution
- Step 1: Write the proportion equation
7,395,439,015.87 : 11,093,320,022.81 = 4,450,182,365.05 : x - Step 2: Convert to fraction form
7,395,439,015.87/11,093,320,022.81 = 4,450,182,365.05/x - Step 3: Cross multiply
7,395,439,015.87x = 11,093,320,022.81 × 4,450,182,365.05 - Step 4: Simplify right side
7,395,439,015.87x = 49,367,297,135,315,140,608 - Step 5: Solve for x
x = 49,367,297,135,315,140,608/7,395,439,015.87 - Step 6: Final answer
x = 6,675,370,729.09
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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.