Finding the Fourth Proportional to 2,953,658,983.88, 4,077,304,448.82 and 1,840,375,119.44
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Solution
The fourth proportional to 2,953,658,983.88, 4,077,304,448.82 and 1,840,375,119.44 is: 2,540,499,665.99
Step by Step Solution
- Step 1: Write the proportion equation
2,953,658,983.88 : 4,077,304,448.82 = 1,840,375,119.44 : x - Step 2: Convert to fraction form
2,953,658,983.88/4,077,304,448.82 = 1,840,375,119.44/x - Step 3: Cross multiply
2,953,658,983.88x = 4,077,304,448.82 × 1,840,375,119.44 - Step 4: Simplify right side
2,953,658,983.88x = 7,503,769,661,990,351,872 - Step 5: Solve for x
x = 7,503,769,661,990,351,872/2,953,658,983.88 - Step 6: Final answer
x = 2,540,499,665.99
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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.