Finding the Fourth Proportional to 568,313,979.20, 852,470,968.80 and 568,313,979.20
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Solution
The fourth proportional to 568,313,979.20, 852,470,968.80 and 568,313,979.20 is: 852,470,968.80
Step by Step Solution
- Step 1: Write the proportion equation
568,313,979.20 : 852,470,968.80 = 568,313,979.20 : x - Step 2: Convert to fraction form
568,313,979.20/852,470,968.80 = 568,313,979.20/x - Step 3: Cross multiply
568,313,979.20x = 852,470,968.80 × 568,313,979.20 - Step 4: Simplify right side
568,313,979.20x = 484,471,168,431,207,040 - Step 5: Solve for x
x = 484,471,168,431,207,040/568,313,979.20 - Step 6: Final answer
x = 852,470,968.80
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1.5x scale
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.