Finding the Fourth Proportional to 252,172,497.16, 378,796,396.20 and 237,428,995.44
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Solution
The fourth proportional to 252,172,497.16, 378,796,396.20 and 237,428,995.44 is: 356,649,709.38
Step by Step Solution
- Step 1: Write the proportion equation
252,172,497.16 : 378,796,396.20 = 237,428,995.44 : x - Step 2: Convert to fraction form
252,172,497.16/378,796,396.20 = 237,428,995.44/x - Step 3: Cross multiply
252,172,497.16x = 378,796,396.20 × 237,428,995.44 - Step 4: Simplify right side
252,172,497.16x = 89,937,247,826,058,224 - Step 5: Solve for x
x = 89,937,247,826,058,224/252,172,497.16 - Step 6: Final answer
x = 356,649,709.38
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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.