Finding the Fourth Proportional to 1,883,133,074.40, 2,824,699,611.60 and 848,489,618.40
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Solution
The fourth proportional to 1,883,133,074.40, 2,824,699,611.60 and 848,489,618.40 is: 1,272,734,427.60
Step by Step Solution
- Step 1: Write the proportion equation
1,883,133,074.40 : 2,824,699,611.60 = 848,489,618.40 : x - Step 2: Convert to fraction form
1,883,133,074.40/2,824,699,611.60 = 848,489,618.40/x - Step 3: Cross multiply
1,883,133,074.40x = 2,824,699,611.60 × 848,489,618.40 - Step 4: Simplify right side
1,883,133,074.40x = 2,396,728,295,541,112,320 - Step 5: Solve for x
x = 2,396,728,295,541,112,320/1,883,133,074.40 - Step 6: Final answer
x = 1,272,734,427.60
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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.