Finding the Fourth Proportional to 287,163,964.62, 396,469,547.01 and 234,366,797.97
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Solution
The fourth proportional to 287,163,964.62, 396,469,547.01 and 234,366,797.97 is: 323,575,760.45
Step by Step Solution
- Step 1: Write the proportion equation
287,163,964.62 : 396,469,547.01 = 234,366,797.97 : x - Step 2: Convert to fraction form
287,163,964.62/396,469,547.01 = 234,366,797.97/x - Step 3: Cross multiply
287,163,964.62x = 396,469,547.01 × 234,366,797.97 - Step 4: Simplify right side
287,163,964.62x = 92,919,298,225,350,080 - Step 5: Solve for x
x = 92,919,298,225,350,080/287,163,964.62 - Step 6: Final answer
x = 323,575,760.45
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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.