Finding the Fourth Proportional to 2,146,176,089.40, 3,219,264,134.10 and 2,132,571,199.80
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Solution
The fourth proportional to 2,146,176,089.40, 3,219,264,134.10 and 2,132,571,199.80 is: 3,198,856,799.70
Step by Step Solution
- Step 1: Write the proportion equation
2,146,176,089.40 : 3,219,264,134.10 = 2,132,571,199.80 : x - Step 2: Convert to fraction form
2,146,176,089.40/3,219,264,134.10 = 2,132,571,199.80/x - Step 3: Cross multiply
2,146,176,089.40x = 3,219,264,134.10 × 2,132,571,199.80 - Step 4: Simplify right side
2,146,176,089.40x = 6,865,309,976,930,744,320 - Step 5: Solve for x
x = 6,865,309,976,930,744,320/2,146,176,089.40 - Step 6: Final answer
x = 3,198,856,799.70
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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.