Finding the Fourth Proportional to 3,972,450,919.14, 5,958,893,679.12 and 1,611,261,213.39
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Solution
The fourth proportional to 3,972,450,919.14, 5,958,893,679.12 and 1,611,261,213.39 is: 2,416,979,959.05
Step by Step Solution
- Step 1: Write the proportion equation
3,972,450,919.14 : 5,958,893,679.12 = 1,611,261,213.39 : x - Step 2: Convert to fraction form
3,972,450,919.14/5,958,893,679.12 = 1,611,261,213.39/x - Step 3: Cross multiply
3,972,450,919.14x = 5,958,893,679.12 × 1,611,261,213.39 - Step 4: Simplify right side
3,972,450,919.14x = 9,601,334,259,880,892,416 - Step 5: Solve for x
x = 9,601,334,259,880,892,416/3,972,450,919.14 - Step 6: Final answer
x = 2,416,979,959.05
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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.