Finding the Fourth Proportional to 9,336,543,542.12, 12,884,391,568.44 and 5,049,761,648.84
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Solution
The fourth proportional to 9,336,543,542.12, 12,884,391,568.44 and 5,049,761,648.84 is: 6,968,650,241.65
Step by Step Solution
- Step 1: Write the proportion equation
9,336,543,542.12 : 12,884,391,568.44 = 5,049,761,648.84 : x - Step 2: Convert to fraction form
9,336,543,542.12/12,884,391,568.44 = 5,049,761,648.84/x - Step 3: Cross multiply
9,336,543,542.12x = 12,884,391,568.44 × 5,049,761,648.84 - Step 4: Simplify right side
9,336,543,542.12x = 65,063,106,410,945,773,568 - Step 5: Solve for x
x = 65,063,106,410,945,773,568/9,336,543,542.12 - Step 6: Final answer
x = 6,968,650,241.65
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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.