Finding the Fourth Proportional to 313,664,748.70, 439,584,144.50 and 313,664,748.70
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Solution
The fourth proportional to 313,664,748.70, 439,584,144.50 and 313,664,748.70 is: 439,584,144.50
Step by Step Solution
- Step 1: Write the proportion equation
313,664,748.70 : 439,584,144.50 = 313,664,748.70 : x - Step 2: Convert to fraction form
313,664,748.70/439,584,144.50 = 313,664,748.70/x - Step 3: Cross multiply
313,664,748.70x = 439,584,144.50 × 313,664,748.70 - Step 4: Simplify right side
313,664,748.70x = 137,882,050,217,096,976 - Step 5: Solve for x
x = 137,882,050,217,096,976/313,664,748.70 - Step 6: Final answer
x = 439,584,144.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.