Finding the Fourth Proportional to 1,622,305,919.28, 2,433,432,286.36 and 516,895,759.67
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Solution
The fourth proportional to 1,622,305,919.28, 2,433,432,286.36 and 516,895,759.67 is: 775,335,166.64
Step by Step Solution
- Step 1: Write the proportion equation
1,622,305,919.28 : 2,433,432,286.36 = 516,895,759.67 : x - Step 2: Convert to fraction form
1,622,305,919.28/2,433,432,286.36 = 516,895,759.67/x - Step 3: Cross multiply
1,622,305,919.28x = 2,433,432,286.36 × 516,895,759.67 - Step 4: Simplify right side
1,622,305,919.28x = 1,257,830,830,267,236,864 - Step 5: Solve for x
x = 1,257,830,830,267,236,864/1,622,305,919.28 - Step 6: Final answer
x = 775,335,166.64
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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.