Finding the Fourth Proportional to 4,161,175,609.91, 6,241,763,294.21 and 1,919,559,704.18
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Solution
The fourth proportional to 4,161,175,609.91, 6,241,763,294.21 and 1,919,559,704.18 is: 2,879,339,500.61
Step by Step Solution
- Step 1: Write the proportion equation
4,161,175,609.91 : 6,241,763,294.21 = 1,919,559,704.18 : x - Step 2: Convert to fraction form
4,161,175,609.91/6,241,763,294.21 = 1,919,559,704.18/x - Step 3: Cross multiply
4,161,175,609.91x = 6,241,763,294.21 × 1,919,559,704.18 - Step 4: Simplify right side
4,161,175,609.91x = 11,981,437,302,568,919,040 - Step 5: Solve for x
x = 11,981,437,302,568,919,040/4,161,175,609.91 - Step 6: Final answer
x = 2,879,339,500.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.