Finding the Fourth Proportional to 4,419,012,589.58, 6,629,392,090.14 and 1,621,007,114.87
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Solution
The fourth proportional to 4,419,012,589.58, 6,629,392,090.14 and 1,621,007,114.87 is: 2,431,830,986.56
Step by Step Solution
- Step 1: Write the proportion equation
4,419,012,589.58 : 6,629,392,090.14 = 1,621,007,114.87 : x - Step 2: Convert to fraction form
4,419,012,589.58/6,629,392,090.14 = 1,621,007,114.87/x - Step 3: Cross multiply
4,419,012,589.58x = 6,629,392,090.14 × 1,621,007,114.87 - Step 4: Simplify right side
4,419,012,589.58x = 10,746,291,745,361,868,800 - Step 5: Solve for x
x = 10,746,291,745,361,868,800/4,419,012,589.58 - Step 6: Final answer
x = 2,431,830,986.56
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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.