Finding the Fourth Proportional to 7,185,159,097.20, 10,777,738,645.80 and 6,647,681,977.20
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Solution
The fourth proportional to 7,185,159,097.20, 10,777,738,645.80 and 6,647,681,977.20 is: 9,971,522,965.80
Step by Step Solution
- Step 1: Write the proportion equation
7,185,159,097.20 : 10,777,738,645.80 = 6,647,681,977.20 : x - Step 2: Convert to fraction form
7,185,159,097.20/10,777,738,645.80 = 6,647,681,977.20/x - Step 3: Cross multiply
7,185,159,097.20x = 10,777,738,645.80 × 6,647,681,977.20 - Step 4: Simplify right side
7,185,159,097.20x = 71,646,978,950,656,589,824 - Step 5: Solve for x
x = 71,646,978,950,656,589,824/7,185,159,097.20 - Step 6: Final answer
x = 9,971,522,965.80
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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.