Finding the Fourth Proportional to 4,840,491,531.21, 6,679,787,602.87 and 2,960,758,732.65
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Solution
The fourth proportional to 4,840,491,531.21, 6,679,787,602.87 and 2,960,758,732.65 is: 4,085,791,566.81
Step by Step Solution
- Step 1: Write the proportion equation
4,840,491,531.21 : 6,679,787,602.87 = 2,960,758,732.65 : x - Step 2: Convert to fraction form
4,840,491,531.21/6,679,787,602.87 = 2,960,758,732.65/x - Step 3: Cross multiply
4,840,491,531.21x = 6,679,787,602.87 × 2,960,758,732.65 - Step 4: Simplify right side
4,840,491,531.21x = 19,777,239,477,405,859,840 - Step 5: Solve for x
x = 19,777,239,477,405,859,840/4,840,491,531.21 - Step 6: Final answer
x = 4,085,791,566.81
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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.