Finding the Fourth Proportional to 394,413,793.20, 591,620,689.80 and 241,358,785.20
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Solution
The fourth proportional to 394,413,793.20, 591,620,689.80 and 241,358,785.20 is: 362,038,177.80
Step by Step Solution
- Step 1: Write the proportion equation
394,413,793.20 : 591,620,689.80 = 241,358,785.20 : x - Step 2: Convert to fraction form
394,413,793.20/591,620,689.80 = 241,358,785.20/x - Step 3: Cross multiply
394,413,793.20x = 591,620,689.80 × 241,358,785.20 - Step 4: Simplify right side
394,413,793.20x = 142,792,850,989,314,016 - Step 5: Solve for x
x = 142,792,850,989,314,016/394,413,793.20 - Step 6: Final answer
x = 362,038,177.80
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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.