Finding the Fourth Proportional to 2,188,989,431.16, 3,283,505,404.26 and 1,751,202,536.28
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Solution
The fourth proportional to 2,188,989,431.16, 3,283,505,404.26 and 1,751,202,536.28 is: 2,626,820,810.54
Step by Step Solution
- Step 1: Write the proportion equation
2,188,989,431.16 : 3,283,505,404.26 = 1,751,202,536.28 : x - Step 2: Convert to fraction form
2,188,989,431.16/3,283,505,404.26 = 1,751,202,536.28/x - Step 3: Cross multiply
2,188,989,431.16x = 3,283,505,404.26 × 1,751,202,536.28 - Step 4: Simplify right side
2,188,989,431.16x = 5,750,082,991,829,198,848 - Step 5: Solve for x
x = 5,750,082,991,829,198,848/2,188,989,431.16 - Step 6: Final answer
x = 2,626,820,810.54
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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.