Finding the Fourth Proportional to 6,121,158,465,847, 9,183,027,219,347.60 and 1,985,647,585,655.60
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Solution
The fourth proportional to 6,121,158,465,847, 9,183,027,219,347.60 and 1,985,647,585,655.60 is: 2,978,889,687,114.82
Step by Step Solution
- Step 1: Write the proportion equation
6,121,158,465,847 : 9,183,027,219,347.60 = 1,985,647,585,655.60 : x - Step 2: Convert to fraction form
6,121,158,465,847/9,183,027,219,347.60 = 1,985,647,585,655.60/x - Step 3: Cross multiply
6,121,158,465,847x = 9,183,027,219,347.60 × 1,985,647,585,655.60 - Step 4: Simplify right side
6,121,158,465,847x = 18,234,255,827,107,220,199,309,312 - Step 5: Solve for x
x = 18,234,255,827,107,220,199,309,312/6,121,158,465,847 - Step 6: Final answer
x = 2,978,889,687,114.82
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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.