Finding the Fourth Proportional to 2,816,635,912.70, 4,224,953,869.05 and 2,697,215,215.10
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Solution
The fourth proportional to 2,816,635,912.70, 4,224,953,869.05 and 2,697,215,215.10 is: 4,045,822,822.65
Step by Step Solution
- Step 1: Write the proportion equation
2,816,635,912.70 : 4,224,953,869.05 = 2,697,215,215.10 : x - Step 2: Convert to fraction form
2,816,635,912.70/4,224,953,869.05 = 2,697,215,215.10/x - Step 3: Cross multiply
2,816,635,912.70x = 4,224,953,869.05 × 2,697,215,215.10 - Step 4: Simplify right side
2,816,635,912.70x = 11,395,609,858,697,273,344 - Step 5: Solve for x
x = 11,395,609,858,697,273,344/2,816,635,912.70 - Step 6: Final answer
x = 4,045,822,822.65
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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.