Finding the Fourth Proportional to 2,732,021,517.46, 3,770,201,726.25 and 1,478,958,373.37
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Solution
The fourth proportional to 2,732,021,517.46, 3,770,201,726.25 and 1,478,958,373.37 is: 2,040,969,068.76
Step by Step Solution
- Step 1: Write the proportion equation
2,732,021,517.46 : 3,770,201,726.25 = 1,478,958,373.37 : x - Step 2: Convert to fraction form
2,732,021,517.46/3,770,201,726.25 = 1,478,958,373.37/x - Step 3: Cross multiply
2,732,021,517.46x = 3,770,201,726.25 × 1,478,958,373.37 - Step 4: Simplify right side
2,732,021,517.46x = 5,575,971,412,331,465,728 - Step 5: Solve for x
x = 5,575,971,412,331,465,728/2,732,021,517.46 - Step 6: Final answer
x = 2,040,969,068.76
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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.