Finding the Fourth Proportional to 4,548,431,567.80, 6,822,647,351.70 and 1,276,880,771.80
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Solution
The fourth proportional to 4,548,431,567.80, 6,822,647,351.70 and 1,276,880,771.80 is: 1,915,321,157.70
Step by Step Solution
- Step 1: Write the proportion equation
4,548,431,567.80 : 6,822,647,351.70 = 1,276,880,771.80 : x - Step 2: Convert to fraction form
4,548,431,567.80/6,822,647,351.70 = 1,276,880,771.80/x - Step 3: Cross multiply
4,548,431,567.80x = 6,822,647,351.70 × 1,276,880,771.80 - Step 4: Simplify right side
4,548,431,567.80x = 8,711,707,216,157,921,280 - Step 5: Solve for x
x = 8,711,707,216,157,921,280/4,548,431,567.80 - Step 6: Final answer
x = 1,915,321,157.70
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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.