Finding the Fourth Proportional to 8,229,638,473.44, 11,357,213,268.69 and 4,612,729,065.06
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Solution
The fourth proportional to 8,229,638,473.44, 11,357,213,268.69 and 4,612,729,065.06 is: 6,365,741,084.70
Step by Step Solution
- Step 1: Write the proportion equation
8,229,638,473.44 : 11,357,213,268.69 = 4,612,729,065.06 : x - Step 2: Convert to fraction form
8,229,638,473.44/11,357,213,268.69 = 4,612,729,065.06/x - Step 3: Cross multiply
8,229,638,473.44x = 11,357,213,268.69 × 4,612,729,065.06 - Step 4: Simplify right side
8,229,638,473.44x = 52,387,747,742,571,454,464 - Step 5: Solve for x
x = 52,387,747,742,571,454,464/8,229,638,473.44 - Step 6: Final answer
x = 6,365,741,084.70
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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.