Finding the Fourth Proportional to 6,263,555,845.64, 9,399,511,318.50 and 2,279,638,854.23
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Solution
The fourth proportional to 6,263,555,845.64, 9,399,511,318.50 and 2,279,638,854.23 is: 3,420,978,712.49
Step by Step Solution
- Step 1: Write the proportion equation
6,263,555,845.64 : 9,399,511,318.50 = 2,279,638,854.23 : x - Step 2: Convert to fraction form
6,263,555,845.64/9,399,511,318.50 = 2,279,638,854.23/x - Step 3: Cross multiply
6,263,555,845.64x = 9,399,511,318.50 × 2,279,638,854.23 - Step 4: Simplify right side
6,263,555,845.64x = 21,427,491,212,380,258,304 - Step 5: Solve for x
x = 21,427,491,212,380,258,304/6,263,555,845.64 - Step 6: Final answer
x = 3,420,978,712.49
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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.