Finding the Fourth Proportional to 5,794,138,939.60, 8,691,208,409.40 and 2,113,764,360.40
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Solution
The fourth proportional to 5,794,138,939.60, 8,691,208,409.40 and 2,113,764,360.40 is: 3,170,646,540.60
Step by Step Solution
- Step 1: Write the proportion equation
5,794,138,939.60 : 8,691,208,409.40 = 2,113,764,360.40 : x - Step 2: Convert to fraction form
5,794,138,939.60/8,691,208,409.40 = 2,113,764,360.40/x - Step 3: Cross multiply
5,794,138,939.60x = 8,691,208,409.40 × 2,113,764,360.40 - Step 4: Simplify right side
5,794,138,939.60x = 18,371,166,584,598,493,184 - Step 5: Solve for x
x = 18,371,166,584,598,493,184/5,794,138,939.60 - Step 6: Final answer
x = 3,170,646,540.60
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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.