Finding the Fourth Proportional to 2,732,021,519.73, 3,770,201,729.37 and 1,478,958,375.63
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Solution
The fourth proportional to 2,732,021,519.73, 3,770,201,729.37 and 1,478,958,375.63 is: 2,040,969,071.88
Step by Step Solution
- Step 1: Write the proportion equation
2,732,021,519.73 : 3,770,201,729.37 = 1,478,958,375.63 : x - Step 2: Convert to fraction form
2,732,021,519.73/3,770,201,729.37 = 1,478,958,375.63/x - Step 3: Cross multiply
2,732,021,519.73x = 3,770,201,729.37 × 1,478,958,375.63 - Step 4: Simplify right side
2,732,021,519.73x = 5,575,971,425,466,472,448 - Step 5: Solve for x
x = 5,575,971,425,466,472,448/2,732,021,519.73 - Step 6: Final answer
x = 2,040,969,071.88
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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.