Finding the Fourth Proportional to 3,944,647,657.99, 5,443,701,885.45 and 2,251,068,584.95
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Solution
The fourth proportional to 3,944,647,657.99, 5,443,701,885.45 and 2,251,068,584.95 is: 3,106,524,932.68
Step by Step Solution
- Step 1: Write the proportion equation
3,944,647,657.99 : 5,443,701,885.45 = 2,251,068,584.95 : x - Step 2: Convert to fraction form
3,944,647,657.99/5,443,701,885.45 = 2,251,068,584.95/x - Step 3: Cross multiply
3,944,647,657.99x = 5,443,701,885.45 × 2,251,068,584.95 - Step 4: Simplify right side
3,944,647,657.99x = 12,254,146,300,169,576,448 - Step 5: Solve for x
x = 12,254,146,300,169,576,448/3,944,647,657.99 - Step 6: Final answer
x = 3,106,524,932.68
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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.