Finding the Fourth Proportional to 7,561,334,046.20, 11,342,001,069.30 and 3,198,699,447.80
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Solution
The fourth proportional to 7,561,334,046.20, 11,342,001,069.30 and 3,198,699,447.80 is: 4,798,049,171.70
Step by Step Solution
- Step 1: Write the proportion equation
7,561,334,046.20 : 11,342,001,069.30 = 3,198,699,447.80 : x - Step 2: Convert to fraction form
7,561,334,046.20/11,342,001,069.30 = 3,198,699,447.80/x - Step 3: Cross multiply
7,561,334,046.20x = 11,342,001,069.30 × 3,198,699,447.80 - Step 4: Simplify right side
7,561,334,046.20x = 36,279,652,557,316,919,296 - Step 5: Solve for x
x = 36,279,652,557,316,919,296/7,561,334,046.20 - Step 6: Final answer
x = 4,798,049,171.70
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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.