Finding the Fourth Proportional to 294,410,724.23, 406,286,863.41 and 160,448,672.20
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Solution
The fourth proportional to 294,410,724.23, 406,286,863.41 and 160,448,672.20 is: 221,419,202.50
Step by Step Solution
- Step 1: Write the proportion equation
294,410,724.23 : 406,286,863.41 = 160,448,672.20 : x - Step 2: Convert to fraction form
294,410,724.23/406,286,863.41 = 160,448,672.20/x - Step 3: Cross multiply
294,410,724.23x = 406,286,863.41 × 160,448,672.20 - Step 4: Simplify right side
294,410,724.23x = 65,188,187,766,437,264 - Step 5: Solve for x
x = 65,188,187,766,437,264/294,410,724.23 - Step 6: Final answer
x = 221,419,202.50
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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.