Finding the Fourth Proportional to 396,795,396.62, 546,770,102.06 and 306,941,464.15
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Solution
The fourth proportional to 396,795,396.62, 546,770,102.06 and 306,941,464.15 is: 422,954,543.09
Step by Step Solution
- Step 1: Write the proportion equation
396,795,396.62 : 546,770,102.06 = 306,941,464.15 : x - Step 2: Convert to fraction form
396,795,396.62/546,770,102.06 = 306,941,464.15/x - Step 3: Cross multiply
396,795,396.62x = 546,770,102.06 × 306,941,464.15 - Step 4: Simplify right side
396,795,396.62x = 167,826,415,679,141,760 - Step 5: Solve for x
x = 167,826,415,679,141,760/396,795,396.62 - Step 6: Final answer
x = 422,954,543.09
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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.