Finding the Fourth Proportional to 7,647,124,136.32, 11,471,912,015.52 and 3,226,194,759.68
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Solution
The fourth proportional to 7,647,124,136.32, 11,471,912,015.52 and 3,226,194,759.68 is: 4,839,809,288.85
Step by Step Solution
- Step 1: Write the proportion equation
7,647,124,136.32 : 11,471,912,015.52 = 3,226,194,759.68 : x - Step 2: Convert to fraction form
7,647,124,136.32/11,471,912,015.52 = 3,226,194,759.68/x - Step 3: Cross multiply
7,647,124,136.32x = 11,471,912,015.52 × 3,226,194,759.68 - Step 4: Simplify right side
7,647,124,136.32x = 37,010,622,427,980,652,544 - Step 5: Solve for x
x = 37,010,622,427,980,652,544/7,647,124,136.32 - Step 6: Final answer
x = 4,839,809,288.85
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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.