Finding the Fourth Proportional to 3,511,252,213.52, 4,840,840,560.12 and 2,789,435,139.08
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Solution
The fourth proportional to 3,511,252,213.52, 4,840,840,560.12 and 2,789,435,139.08 is: 3,845,696,617.60
Step by Step Solution
- Step 1: Write the proportion equation
3,511,252,213.52 : 4,840,840,560.12 = 2,789,435,139.08 : x - Step 2: Convert to fraction form
3,511,252,213.52/4,840,840,560.12 = 2,789,435,139.08/x - Step 3: Cross multiply
3,511,252,213.52x = 4,840,840,560.12 × 2,789,435,139.08 - Step 4: Simplify right side
3,511,252,213.52x = 13,503,210,761,082,437,632 - Step 5: Solve for x
x = 13,503,210,761,082,437,632/3,511,252,213.52 - Step 6: Final answer
x = 3,845,696,617.60
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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.