Finding the Fourth Proportional to 2,701,961,209.80, 3,726,784,270.26 and 2,479,660,751.70
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Solution
The fourth proportional to 2,701,961,209.80, 3,726,784,270.26 and 2,479,660,751.70 is: 3,420,167,784.61
Step by Step Solution
- Step 1: Write the proportion equation
2,701,961,209.80 : 3,726,784,270.26 = 2,479,660,751.70 : x - Step 2: Convert to fraction form
2,701,961,209.80/3,726,784,270.26 = 2,479,660,751.70/x - Step 3: Cross multiply
2,701,961,209.80x = 3,726,784,270.26 × 2,479,660,751.70 - Step 4: Simplify right side
2,701,961,209.80x = 9,241,160,685,016,647,680 - Step 5: Solve for x
x = 9,241,160,685,016,647,680/2,701,961,209.80 - Step 6: Final answer
x = 3,420,167,784.61
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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.