Finding the Fourth Proportional to 5,668,894,936.80, 8,503,342,405.20 and 3,220,014,808.80
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Solution
The fourth proportional to 5,668,894,936.80, 8,503,342,405.20 and 3,220,014,808.80 is: 4,830,022,213.20
Step by Step Solution
- Step 1: Write the proportion equation
5,668,894,936.80 : 8,503,342,405.20 = 3,220,014,808.80 : x - Step 2: Convert to fraction form
5,668,894,936.80/8,503,342,405.20 = 3,220,014,808.80/x - Step 3: Cross multiply
5,668,894,936.80x = 8,503,342,405.20 × 3,220,014,808.80 - Step 4: Simplify right side
5,668,894,936.80x = 27,380,888,469,041,012,736 - Step 5: Solve for x
x = 27,380,888,469,041,012,736/5,668,894,936.80 - Step 6: Final answer
x = 4,830,022,213.20
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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.