Finding the Fourth Proportional to 2,732,021,514.09, 3,770,201,721.60 and 1,478,958,369.98
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Solution
The fourth proportional to 2,732,021,514.09, 3,770,201,721.60 and 1,478,958,369.98 is: 2,040,969,064.09
Step by Step Solution
- Step 1: Write the proportion equation
2,732,021,514.09 : 3,770,201,721.60 = 1,478,958,369.98 : x - Step 2: Convert to fraction form
2,732,021,514.09/3,770,201,721.60 = 1,478,958,369.98/x - Step 3: Cross multiply
2,732,021,514.09x = 3,770,201,721.60 × 1,478,958,369.98 - Step 4: Simplify right side
2,732,021,514.09x = 5,575,971,392,673,326,080 - Step 5: Solve for x
x = 5,575,971,392,673,326,080/2,732,021,514.09 - Step 6: Final answer
x = 2,040,969,064.09
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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.