Finding the Fourth Proportional to 304,423,410.31, 456,486,311.37 and 212,351,257.06
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Solution
The fourth proportional to 304,423,410.31, 456,486,311.37 and 212,351,257.06 is: 318,423,086.95
Step by Step Solution
- Step 1: Write the proportion equation
304,423,410.31 : 456,486,311.37 = 212,351,257.06 : x - Step 2: Convert to fraction form
304,423,410.31/456,486,311.37 = 212,351,257.06/x - Step 3: Cross multiply
304,423,410.31x = 456,486,311.37 × 212,351,257.06 - Step 4: Simplify right side
304,423,410.31x = 96,935,442,049,757,168 - Step 5: Solve for x
x = 96,935,442,049,757,168/304,423,410.31 - Step 6: Final answer
x = 318,423,086.95
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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.