Finding the Fourth Proportional to 4,270,236,092.20, 6,405,354,138.30 and 2,617,242,005.80
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Solution
The fourth proportional to 4,270,236,092.20, 6,405,354,138.30 and 2,617,242,005.80 is: 3,925,863,008.70
Step by Step Solution
- Step 1: Write the proportion equation
4,270,236,092.20 : 6,405,354,138.30 = 2,617,242,005.80 : x - Step 2: Convert to fraction form
4,270,236,092.20/6,405,354,138.30 = 2,617,242,005.80/x - Step 3: Cross multiply
4,270,236,092.20x = 6,405,354,138.30 × 2,617,242,005.80 - Step 4: Simplify right side
4,270,236,092.20x = 16,764,361,912,783,624,192 - Step 5: Solve for x
x = 16,764,361,912,783,624,192/4,270,236,092.20 - Step 6: Final answer
x = 3,925,863,008.70
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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.