Finding the Fourth Proportional to 7,449,692,246.92, 11,165,336,800.23 and 6,393,002,863.17
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Solution
The fourth proportional to 7,449,692,246.92, 11,165,336,800.23 and 6,393,002,863.17 is: 9,581,607,906.25
Step by Step Solution
- Step 1: Write the proportion equation
7,449,692,246.92 : 11,165,336,800.23 = 6,393,002,863.17 : x - Step 2: Convert to fraction form
7,449,692,246.92/11,165,336,800.23 = 6,393,002,863.17/x - Step 3: Cross multiply
7,449,692,246.92x = 11,165,336,800.23 × 6,393,002,863.17 - Step 4: Simplify right side
7,449,692,246.92x = 71,380,030,132,197,982,208 - Step 5: Solve for x
x = 71,380,030,132,197,982,208/7,449,692,246.92 - Step 6: Final answer
x = 9,581,607,906.25
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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.