Finding the Fourth Proportional to 852,988,345.04, 1,279,530,378.84 and 239,524,740.56
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Solution
The fourth proportional to 852,988,345.04, 1,279,530,378.84 and 239,524,740.56 is: 359,300,550.60
Step by Step Solution
- Step 1: Write the proportion equation
852,988,345.04 : 1,279,530,378.84 = 239,524,740.56 : x - Step 2: Convert to fraction form
852,988,345.04/1,279,530,378.84 = 239,524,740.56/x - Step 3: Cross multiply
852,988,345.04x = 1,279,530,378.84 × 239,524,740.56 - Step 4: Simplify right side
852,988,345.04x = 306,479,182,030,289,472 - Step 5: Solve for x
x = 306,479,182,030,289,472/852,988,345.04 - Step 6: Final answer
x = 359,300,550.60
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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.