Finding the Fourth Proportional to 5,432,510,144.70, 8,148,765,217.05 and 3,676,203,927.90
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Solution
The fourth proportional to 5,432,510,144.70, 8,148,765,217.05 and 3,676,203,927.90 is: 5,514,305,891.85
Step by Step Solution
- Step 1: Write the proportion equation
5,432,510,144.70 : 8,148,765,217.05 = 3,676,203,927.90 : x - Step 2: Convert to fraction form
5,432,510,144.70/8,148,765,217.05 = 3,676,203,927.90/x - Step 3: Cross multiply
5,432,510,144.70x = 8,148,765,217.05 × 3,676,203,927.90 - Step 4: Simplify right side
5,432,510,144.70x = 29,956,522,698,454,106,112 - Step 5: Solve for x
x = 29,956,522,698,454,106,112/5,432,510,144.70 - Step 6: Final answer
x = 5,514,305,891.85
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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.