Finding the Fourth Proportional to 4,136,979,409.80, 6,205,469,114.70 and 3,620,418,757.80
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Solution
The fourth proportional to 4,136,979,409.80, 6,205,469,114.70 and 3,620,418,757.80 is: 5,430,628,136.70
Step by Step Solution
- Step 1: Write the proportion equation
4,136,979,409.80 : 6,205,469,114.70 = 3,620,418,757.80 : x - Step 2: Convert to fraction form
4,136,979,409.80/6,205,469,114.70 = 3,620,418,757.80/x - Step 3: Cross multiply
4,136,979,409.80x = 6,205,469,114.70 × 3,620,418,757.80 - Step 4: Simplify right side
4,136,979,409.80x = 22,466,396,783,808,438,272 - Step 5: Solve for x
x = 22,466,396,783,808,438,272/4,136,979,409.80 - Step 6: Final answer
x = 5,430,628,136.70
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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.