Finding the Fourth Proportional to 4,984,936,101.08, 6,879,375,900.58 and 2,726,823,952.12
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Solution
The fourth proportional to 4,984,936,101.08, 6,879,375,900.58 and 2,726,823,952.12 is: 3,763,106,808.39
Step by Step Solution
- Step 1: Write the proportion equation
4,984,936,101.08 : 6,879,375,900.58 = 2,726,823,952.12 : x - Step 2: Convert to fraction form
4,984,936,101.08/6,879,375,900.58 = 2,726,823,952.12/x - Step 3: Cross multiply
4,984,936,101.08x = 6,879,375,900.58 × 2,726,823,952.12 - Step 4: Simplify right side
4,984,936,101.08x = 18,758,846,981,338,640,384 - Step 5: Solve for x
x = 18,758,846,981,338,640,384/4,984,936,101.08 - Step 6: Final answer
x = 3,763,106,808.39
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1.5x scale
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.