Finding the Fourth Proportional to 3,637,327,675.49, 5,019,502,751.12 and 2,029,765,815.17
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Solution
The fourth proportional to 3,637,327,675.49, 5,019,502,751.12 and 2,029,765,815.17 is: 2,801,071,556.47
Step by Step Solution
- Step 1: Write the proportion equation
3,637,327,675.49 : 5,019,502,751.12 = 2,029,765,815.17 : x - Step 2: Convert to fraction form
3,637,327,675.49/5,019,502,751.12 = 2,029,765,815.17/x - Step 3: Cross multiply
3,637,327,675.49x = 5,019,502,751.12 × 2,029,765,815.17 - Step 4: Simplify right side
3,637,327,675.49x = 10,188,415,093,375,143,936 - Step 5: Solve for x
x = 10,188,415,093,375,143,936/3,637,327,675.49 - Step 6: Final answer
x = 2,801,071,556.47
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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.