Finding the Fourth Proportional to 344,801,474.70, 517,202,212.05 and 307,388,028.30
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Solution
The fourth proportional to 344,801,474.70, 517,202,212.05 and 307,388,028.30 is: 461,082,042.45
Step by Step Solution
- Step 1: Write the proportion equation
344,801,474.70 : 517,202,212.05 = 307,388,028.30 : x - Step 2: Convert to fraction form
344,801,474.70/517,202,212.05 = 307,388,028.30/x - Step 3: Cross multiply
344,801,474.70x = 517,202,212.05 × 307,388,028.30 - Step 4: Simplify right side
344,801,474.70x = 158,981,768,194,448,000 - Step 5: Solve for x
x = 158,981,768,194,448,000/344,801,474.70 - Step 6: Final answer
x = 461,082,042.45
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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.