Finding the Fourth Proportional to 6,245,991,397.40, 9,368,642,236.10 and 4,566,997,449.05
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Solution
The fourth proportional to 6,245,991,397.40, 9,368,642,236.10 and 4,566,997,449.05 is: 6,850,244,015.88
Step by Step Solution
- Step 1: Write the proportion equation
6,245,991,397.40 : 9,368,642,236.10 = 4,566,997,449.05 : x - Step 2: Convert to fraction form
6,245,991,397.40/9,368,642,236.10 = 4,566,997,449.05/x - Step 3: Cross multiply
6,245,991,397.40x = 9,368,642,236.10 × 4,566,997,449.05 - Step 4: Simplify right side
6,245,991,397.40x = 42,786,565,193,261,105,152 - Step 5: Solve for x
x = 42,786,565,193,261,105,152/6,245,991,397.40 - Step 6: Final answer
x = 6,850,244,015.88
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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.