Finding the Fourth Proportional to 299,386,475.70, 449,079,713.55 and 169,944,069.30
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Solution
The fourth proportional to 299,386,475.70, 449,079,713.55 and 169,944,069.30 is: 254,916,103.95
Step by Step Solution
- Step 1: Write the proportion equation
299,386,475.70 : 449,079,713.55 = 169,944,069.30 : x - Step 2: Convert to fraction form
299,386,475.70/449,079,713.55 = 169,944,069.30/x - Step 3: Cross multiply
299,386,475.70x = 449,079,713.55 × 169,944,069.30 - Step 4: Simplify right side
299,386,475.70x = 76,318,433,960,765,360 - Step 5: Solve for x
x = 76,318,433,960,765,360/299,386,475.70 - Step 6: Final answer
x = 254,916,103.95
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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.