Finding the Fourth Proportional to 3,618,326,114.40, 5,427,489,171.60 and 1,548,257,131.20
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Solution
The fourth proportional to 3,618,326,114.40, 5,427,489,171.60 and 1,548,257,131.20 is: 2,322,385,696.80
Step by Step Solution
- Step 1: Write the proportion equation
3,618,326,114.40 : 5,427,489,171.60 = 1,548,257,131.20 : x - Step 2: Convert to fraction form
3,618,326,114.40/5,427,489,171.60 = 1,548,257,131.20/x - Step 3: Cross multiply
3,618,326,114.40x = 5,427,489,171.60 × 1,548,257,131.20 - Step 4: Simplify right side
3,618,326,114.40x = 8,403,148,814,440,481,792 - Step 5: Solve for x
x = 8,403,148,814,440,481,792/3,618,326,114.40 - Step 6: Final answer
x = 2,322,385,696.80
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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.