Finding the Fourth Proportional to 4,692,323,872.80, 6,474,687,109.20 and 2,711,792,224.80
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Solution
The fourth proportional to 4,692,323,872.80, 6,474,687,109.20 and 2,711,792,224.80 is: 3,741,857,262.35
Step by Step Solution
- Step 1: Write the proportion equation
4,692,323,872.80 : 6,474,687,109.20 = 2,711,792,224.80 : x - Step 2: Convert to fraction form
4,692,323,872.80/6,474,687,109.20 = 2,711,792,224.80/x - Step 3: Cross multiply
4,692,323,872.80x = 6,474,687,109.20 × 2,711,792,224.80 - Step 4: Simplify right side
4,692,323,872.80x = 17,558,006,160,741,349,376 - Step 5: Solve for x
x = 17,558,006,160,741,349,376/4,692,323,872.80 - Step 6: Final answer
x = 3,741,857,262.35
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1.5x scale
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.