Finding the Fourth Proportional to 7,691,750,480.40, 11,537,625,720.60 and 7,610,121,142.80
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Solution
The fourth proportional to 7,691,750,480.40, 11,537,625,720.60 and 7,610,121,142.80 is: 11,415,181,714.20
Step by Step Solution
- Step 1: Write the proportion equation
7,691,750,480.40 : 11,537,625,720.60 = 7,610,121,142.80 : x - Step 2: Convert to fraction form
7,691,750,480.40/11,537,625,720.60 = 7,610,121,142.80/x - Step 3: Cross multiply
7,691,750,480.40x = 11,537,625,720.60 × 7,610,121,142.80 - Step 4: Simplify right side
7,691,750,480.40x = 87,802,729,434,051,149,824 - Step 5: Solve for x
x = 87,802,729,434,051,149,824/7,691,750,480.40 - Step 6: Final answer
x = 11,415,181,714.20
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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.