Finding the Fourth Proportional to 324,375,114.84, 447,614,419.44 and 190,418,470.23
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Solution
The fourth proportional to 324,375,114.84, 447,614,419.44 and 190,418,470.23 is: 262,763,846.87
Step by Step Solution
- Step 1: Write the proportion equation
324,375,114.84 : 447,614,419.44 = 190,418,470.23 : x - Step 2: Convert to fraction form
324,375,114.84/447,614,419.44 = 190,418,470.23/x - Step 3: Cross multiply
324,375,114.84x = 447,614,419.44 × 190,418,470.23 - Step 4: Simplify right side
324,375,114.84x = 85,234,053,002,654,368 - Step 5: Solve for x
x = 85,234,053,002,654,368/324,375,114.84 - Step 6: Final answer
x = 262,763,846.87
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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.