Finding the Fourth Proportional to 7,821,303,236.44, 10,793,603,028.42 and 4,253,218,825.96
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Solution
The fourth proportional to 7,821,303,236.44, 10,793,603,028.42 and 4,253,218,825.96 is: 5,869,553,220.56
Step by Step Solution
- Step 1: Write the proportion equation
7,821,303,236.44 : 10,793,603,028.42 = 4,253,218,825.96 : x - Step 2: Convert to fraction form
7,821,303,236.44/10,793,603,028.42 = 4,253,218,825.96/x - Step 3: Cross multiply
7,821,303,236.44x = 10,793,603,028.42 × 4,253,218,825.96 - Step 4: Simplify right side
7,821,303,236.44x = 45,907,555,600,414,810,112 - Step 5: Solve for x
x = 45,907,555,600,414,810,112/7,821,303,236.44 - Step 6: Final answer
x = 5,869,553,220.56
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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.