Finding the Fourth Proportional to 5,459,327,987.20, 8,186,603,193.60 and 2,186,689,523.20
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Solution
The fourth proportional to 5,459,327,987.20, 8,186,603,193.60 and 2,186,689,523.20 is: 3,279,077,475.47
Step by Step Solution
- Step 1: Write the proportion equation
5,459,327,987.20 : 8,186,603,193.60 = 2,186,689,523.20 : x - Step 2: Convert to fraction form
5,459,327,987.20/8,186,603,193.60 = 2,186,689,523.20/x - Step 3: Cross multiply
5,459,327,987.20x = 8,186,603,193.60 × 2,186,689,523.20 - Step 4: Simplify right side
5,459,327,987.20x = 17,901,559,434,040,780,800 - Step 5: Solve for x
x = 17,901,559,434,040,780,800/5,459,327,987.20 - Step 6: Final answer
x = 3,279,077,475.47
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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.