Finding the Fourth Proportional to 2,745,384,351.30, 3,788,632,846.11 and 1,492,321,207.21
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Solution
The fourth proportional to 2,745,384,351.30, 3,788,632,846.11 and 1,492,321,207.21 is: 2,059,404,592.99
Step by Step Solution
- Step 1: Write the proportion equation
2,745,384,351.30 : 3,788,632,846.11 = 1,492,321,207.21 : x - Step 2: Convert to fraction form
2,745,384,351.30/3,788,632,846.11 = 1,492,321,207.21/x - Step 3: Cross multiply
2,745,384,351.30x = 3,788,632,846.11 × 1,492,321,207.21 - Step 4: Simplify right side
2,745,384,351.30x = 5,653,857,142,578,233,344 - Step 5: Solve for x
x = 5,653,857,142,578,233,344/2,745,384,351.30 - Step 6: Final answer
x = 2,059,404,592.99
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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.