Finding the Fourth Proportional to 3,203,431,274.77, 4,422,268,093.30 and 2,133,515,113.39
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Solution
The fourth proportional to 3,203,431,274.77, 4,422,268,093.30 and 2,133,515,113.39 is: 2,945,271,804.90
Step by Step Solution
- Step 1: Write the proportion equation
3,203,431,274.77 : 4,422,268,093.30 = 2,133,515,113.39 : x - Step 2: Convert to fraction form
3,203,431,274.77/4,422,268,093.30 = 2,133,515,113.39/x - Step 3: Cross multiply
3,203,431,274.77x = 4,422,268,093.30 × 2,133,515,113.39 - Step 4: Simplify right side
3,203,431,274.77x = 9,434,975,812,517,900,288 - Step 5: Solve for x
x = 9,434,975,812,517,900,288/3,203,431,274.77 - Step 6: Final answer
x = 2,945,271,804.90
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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.