Finding the Fourth Proportional to 4,270,236,099.20, 6,405,354,148.80 and 2,617,242,012.80
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Solution
The fourth proportional to 4,270,236,099.20, 6,405,354,148.80 and 2,617,242,012.80 is: 3,925,863,019.20
Step by Step Solution
- Step 1: Write the proportion equation
4,270,236,099.20 : 6,405,354,148.80 = 2,617,242,012.80 : x - Step 2: Convert to fraction form
4,270,236,099.20/6,405,354,148.80 = 2,617,242,012.80/x - Step 3: Cross multiply
4,270,236,099.20x = 6,405,354,148.80 × 2,617,242,012.80 - Step 4: Simplify right side
4,270,236,099.20x = 16,764,361,985,102,143,488 - Step 5: Solve for x
x = 16,764,361,985,102,143,488/4,270,236,099.20 - Step 6: Final answer
x = 3,925,863,019.20
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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.