Finding the Fourth Proportional to 2,148,221,295.99, 3,222,332,755.88 and 966,421,334.97
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Solution
The fourth proportional to 2,148,221,295.99, 3,222,332,755.88 and 966,421,334.97 is: 1,449,632,367.70
Step by Step Solution
- Step 1: Write the proportion equation
2,148,221,295.99 : 3,222,332,755.88 = 966,421,334.97 : x - Step 2: Convert to fraction form
2,148,221,295.99/3,222,332,755.88 = 966,421,334.97/x - Step 3: Cross multiply
2,148,221,295.99x = 3,222,332,755.88 × 966,421,334.97 - Step 4: Simplify right side
2,148,221,295.99x = 3,114,131,123,650,276,864 - Step 5: Solve for x
x = 3,114,131,123,650,276,864/2,148,221,295.99 - Step 6: Final answer
x = 1,449,632,367.70
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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.