Finding the Fourth Proportional to 394,634,438.44, 544,034,101.39 and 269,025,442.56
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Solution
The fourth proportional to 394,634,438.44, 544,034,101.39 and 269,025,442.56 is: 370,872,383.75
Step by Step Solution
- Step 1: Write the proportion equation
394,634,438.44 : 544,034,101.39 = 269,025,442.56 : x - Step 2: Convert to fraction form
394,634,438.44/544,034,101.39 = 269,025,442.56/x - Step 3: Cross multiply
394,634,438.44x = 544,034,101.39 × 269,025,442.56 - Step 4: Simplify right side
394,634,438.44x = 146,359,014,893,504,096 - Step 5: Solve for x
x = 146,359,014,893,504,096/394,634,438.44 - Step 6: Final answer
x = 370,872,383.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.