Finding the Fourth Proportional to 2,512,802,899.62, 3,467,556,144.69 and 1,440,337,377.06
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Solution
The fourth proportional to 2,512,802,899.62, 3,467,556,144.69 and 1,440,337,377.06 is: 1,987,601,464.09
Step by Step Solution
- Step 1: Write the proportion equation
2,512,802,899.62 : 3,467,556,144.69 = 1,440,337,377.06 : x - Step 2: Convert to fraction form
2,512,802,899.62/3,467,556,144.69 = 1,440,337,377.06/x - Step 3: Cross multiply
2,512,802,899.62x = 3,467,556,144.69 × 1,440,337,377.06 - Step 4: Simplify right side
2,512,802,899.62x = 4,994,450,722,251,080,704 - Step 5: Solve for x
x = 4,994,450,722,251,080,704/2,512,802,899.62 - Step 6: Final answer
x = 1,987,601,464.09
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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.