Finding the Fourth Proportional to 852,498,176.80, 1,278,747,313.80 and 206,265,920.80
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Solution
The fourth proportional to 852,498,176.80, 1,278,747,313.80 and 206,265,920.80 is: 309,398,892.96
Step by Step Solution
- Step 1: Write the proportion equation
852,498,176.80 : 1,278,747,313.80 = 206,265,920.80 : x - Step 2: Convert to fraction form
852,498,176.80/1,278,747,313.80 = 206,265,920.80/x - Step 3: Cross multiply
852,498,176.80x = 1,278,747,313.80 × 206,265,920.80 - Step 4: Simplify right side
852,498,176.80x = 263,761,992,151,483,552 - Step 5: Solve for x
x = 263,761,992,151,483,552/852,498,176.80 - Step 6: Final answer
x = 309,398,892.96
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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.