Finding the Fourth Proportional to 8,809,236,438.40, 13,213,854,657.60 and 4,891,028,233.60
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Solution
The fourth proportional to 8,809,236,438.40, 13,213,854,657.60 and 4,891,028,233.60 is: 7,336,542,350.40
Step by Step Solution
- Step 1: Write the proportion equation
8,809,236,438.40 : 13,213,854,657.60 = 4,891,028,233.60 : x - Step 2: Convert to fraction form
8,809,236,438.40/13,213,854,657.60 = 4,891,028,233.60/x - Step 3: Cross multiply
8,809,236,438.40x = 13,213,854,657.60 × 4,891,028,233.60 - Step 4: Simplify right side
8,809,236,438.40x = 64,629,336,205,008,470,016 - Step 5: Solve for x
x = 64,629,336,205,008,470,016/8,809,236,438.40 - Step 6: Final answer
x = 7,336,542,350.40
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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.