Finding the Fourth Proportional to 3,764,722,521.30, 5,647,083,781.95 and 3,351,473,999.70
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Solution
The fourth proportional to 3,764,722,521.30, 5,647,083,781.95 and 3,351,473,999.70 is: 5,027,210,999.55
Step by Step Solution
- Step 1: Write the proportion equation
3,764,722,521.30 : 5,647,083,781.95 = 3,351,473,999.70 : x - Step 2: Convert to fraction form
3,764,722,521.30/5,647,083,781.95 = 3,351,473,999.70/x - Step 3: Cross multiply
3,764,722,521.30x = 5,647,083,781.95 × 3,351,473,999.70 - Step 4: Simplify right side
3,764,722,521.30x = 18,926,054,469,332,967,424 - Step 5: Solve for x
x = 18,926,054,469,332,967,424/3,764,722,521.30 - Step 6: Final answer
x = 5,027,210,999.55
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Double scale
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1.5x scale
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.