Finding the Fourth Proportional to 5,450,366,879.12, 7,522,905,743.23 and 3,549,864,236.05
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Solution
The fourth proportional to 5,450,366,879.12, 7,522,905,743.23 and 3,549,864,236.05 is: 4,899,724,117.91
Step by Step Solution
- Step 1: Write the proportion equation
5,450,366,879.12 : 7,522,905,743.23 = 3,549,864,236.05 : x - Step 2: Convert to fraction form
5,450,366,879.12/7,522,905,743.23 = 3,549,864,236.05/x - Step 3: Cross multiply
5,450,366,879.12x = 7,522,905,743.23 × 3,549,864,236.05 - Step 4: Simplify right side
5,450,366,879.12x = 26,705,294,049,067,319,296 - Step 5: Solve for x
x = 26,705,294,049,067,319,296/5,450,366,879.12 - Step 6: Final answer
x = 4,899,724,117.91
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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.