Finding the Fourth Proportional to 5,029,325,013.99, 6,940,155,799.69 and 2,771,138,170.03
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Solution
The fourth proportional to 5,029,325,013.99, 6,940,155,799.69 and 2,771,138,170.03 is: 3,823,998,367.37
Step by Step Solution
- Step 1: Write the proportion equation
5,029,325,013.99 : 6,940,155,799.69 = 2,771,138,170.03 : x - Step 2: Convert to fraction form
5,029,325,013.99/6,940,155,799.69 = 2,771,138,170.03/x - Step 3: Cross multiply
5,029,325,013.99x = 6,940,155,799.69 × 2,771,138,170.03 - Step 4: Simplify right side
5,029,325,013.99x = 19,232,130,642,476,036,096 - Step 5: Solve for x
x = 19,232,130,642,476,036,096/5,029,325,013.99 - Step 6: Final answer
x = 3,823,998,367.37
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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.