Finding the Fourth Proportional to 775,212,361.44, 1,162,991,380.96 and 222,471,701.84
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Solution
The fourth proportional to 775,212,361.44, 1,162,991,380.96 and 222,471,701.84 is: 333,757,154.32
Step by Step Solution
- Step 1: Write the proportion equation
775,212,361.44 : 1,162,991,380.96 = 222,471,701.84 : x - Step 2: Convert to fraction form
775,212,361.44/1,162,991,380.96 = 222,471,701.84/x - Step 3: Cross multiply
775,212,361.44x = 1,162,991,380.96 × 222,471,701.84 - Step 4: Simplify right side
775,212,361.44x = 258,732,671,747,422,976 - Step 5: Solve for x
x = 258,732,671,747,422,976/775,212,361.44 - Step 6: Final answer
x = 333,757,154.32
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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.