Finding the Fourth Proportional to 4,990,023,210.07, 6,886,286,449.46 and 2,762,392,599.19
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Solution
The fourth proportional to 4,990,023,210.07, 6,886,286,449.46 and 2,762,392,599.19 is: 3,812,131,912.63
Step by Step Solution
- Step 1: Write the proportion equation
4,990,023,210.07 : 6,886,286,449.46 = 2,762,392,599.19 : x - Step 2: Convert to fraction form
4,990,023,210.07/6,886,286,449.46 = 2,762,392,599.19/x - Step 3: Cross multiply
4,990,023,210.07x = 6,886,286,449.46 × 2,762,392,599.19 - Step 4: Simplify right side
4,990,023,210.07x = 19,022,626,723,876,872,192 - Step 5: Solve for x
x = 19,022,626,723,876,872,192/4,990,023,210.07 - Step 6: Final answer
x = 3,812,131,912.63
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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.