Finding the Fourth Proportional to 4,793,764,774.50, 7,190,647,161.75 and 1,347,192,742.50
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Solution
The fourth proportional to 4,793,764,774.50, 7,190,647,161.75 and 1,347,192,742.50 is: 2,020,789,113.75
Step by Step Solution
- Step 1: Write the proportion equation
4,793,764,774.50 : 7,190,647,161.75 = 1,347,192,742.50 : x - Step 2: Convert to fraction form
4,793,764,774.50/7,190,647,161.75 = 1,347,192,742.50/x - Step 3: Cross multiply
4,793,764,774.50x = 7,190,647,161.75 × 1,347,192,742.50 - Step 4: Simplify right side
4,793,764,774.50x = 9,687,187,670,187,823,104 - Step 5: Solve for x
x = 9,687,187,670,187,823,104/4,793,764,774.50 - Step 6: Final answer
x = 2,020,789,113.75
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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.