Finding the Fourth Proportional to 3,944,647,656.99, 5,443,701,884.07 and 2,251,068,583.95
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Solution
The fourth proportional to 3,944,647,656.99, 5,443,701,884.07 and 2,251,068,583.95 is: 3,106,524,931.30
Step by Step Solution
- Step 1: Write the proportion equation
3,944,647,656.99 : 5,443,701,884.07 = 2,251,068,583.95 : x - Step 2: Convert to fraction form
3,944,647,656.99/5,443,701,884.07 = 2,251,068,583.95/x - Step 3: Cross multiply
3,944,647,656.99x = 5,443,701,884.07 × 2,251,068,583.95 - Step 4: Simplify right side
3,944,647,656.99x = 12,254,146,291,614,287,872 - Step 5: Solve for x
x = 12,254,146,291,614,287,872/3,944,647,656.99 - Step 6: Final answer
x = 3,106,524,931.30
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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.