Finding the Fourth Proportional to 5,194,525,959.92, 7,168,253,778.49 and 2,815,612,821.31
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Solution
The fourth proportional to 5,194,525,959.92, 7,168,253,778.49 and 2,815,612,821.31 is: 3,885,441,597.72
Step by Step Solution
- Step 1: Write the proportion equation
5,194,525,959.92 : 7,168,253,778.49 = 2,815,612,821.31 : x - Step 2: Convert to fraction form
5,194,525,959.92/7,168,253,778.49 = 2,815,612,821.31/x - Step 3: Cross multiply
5,194,525,959.92x = 7,168,253,778.49 × 2,815,612,821.31 - Step 4: Simplify right side
5,194,525,959.92x = 20,183,027,245,120,294,912 - Step 5: Solve for x
x = 20,183,027,245,120,294,912/5,194,525,959.92 - Step 6: Final answer
x = 3,885,441,597.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.