Finding the Fourth Proportional to 437,022,014.80, 655,533,022.20 and 339,449,447.20
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Solution
The fourth proportional to 437,022,014.80, 655,533,022.20 and 339,449,447.20 is: 509,174,170.80
Step by Step Solution
- Step 1: Write the proportion equation
437,022,014.80 : 655,533,022.20 = 339,449,447.20 : x - Step 2: Convert to fraction form
437,022,014.80/655,533,022.20 = 339,449,447.20/x - Step 3: Cross multiply
437,022,014.80x = 655,533,022.20 × 339,449,447.20 - Step 4: Simplify right side
437,022,014.80x = 222,520,322,007,135,328 - Step 5: Solve for x
x = 222,520,322,007,135,328/437,022,014.80 - Step 6: Final answer
x = 509,174,170.80
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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.