Finding the Fourth Proportional to 1,858,406,627.44, 2,787,597,540.60 and 752,995,175.68
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Solution
The fourth proportional to 1,858,406,627.44, 2,787,597,540.60 and 752,995,175.68 is: 1,129,487,739.02
Step by Step Solution
- Step 1: Write the proportion equation
1,858,406,627.44 : 2,787,597,540.60 = 752,995,175.68 : x - Step 2: Convert to fraction form
1,858,406,627.44/2,787,597,540.60 = 752,995,175.68/x - Step 3: Cross multiply
1,858,406,627.44x = 2,787,597,540.60 × 752,995,175.68 - Step 4: Simplify right side
1,858,406,627.44x = 2,099,047,499,809,232,640 - Step 5: Solve for x
x = 2,099,047,499,809,232,640/1,858,406,627.44 - Step 6: Final answer
x = 1,129,487,739.02
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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.