Finding the Fourth Proportional to 852,909,163.44, 1,279,441,821.24 and 239,489,255.76
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Solution
The fourth proportional to 852,909,163.44, 1,279,441,821.24 and 239,489,255.76 is: 359,255,806.70
Step by Step Solution
- Step 1: Write the proportion equation
852,909,163.44 : 1,279,441,821.24 = 239,489,255.76 : x - Step 2: Convert to fraction form
852,909,163.44/1,279,441,821.24 = 239,489,255.76/x - Step 3: Cross multiply
852,909,163.44x = 1,279,441,821.24 × 239,489,255.76 - Step 4: Simplify right side
852,909,163.44x = 306,412,569,556,986,560 - Step 5: Solve for x
x = 306,412,569,556,986,560/852,909,163.44 - Step 6: Final answer
x = 359,255,806.70
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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.