Finding the Fourth Proportional to 4,990,023,236.82, 6,886,286,486.37 and 2,762,392,625.94
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Solution
The fourth proportional to 4,990,023,236.82, 6,886,286,486.37 and 2,762,392,625.94 is: 3,812,131,949.55
Step by Step Solution
- Step 1: Write the proportion equation
4,990,023,236.82 : 6,886,286,486.37 = 2,762,392,625.94 : x - Step 2: Convert to fraction form
4,990,023,236.82/6,886,286,486.37 = 2,762,392,625.94/x - Step 3: Cross multiply
4,990,023,236.82x = 6,886,286,486.37 × 2,762,392,625.94 - Step 4: Simplify right side
4,990,023,236.82x = 19,022,627,010,058,760,192 - Step 5: Solve for x
x = 19,022,627,010,058,760,192/4,990,023,236.82 - Step 6: Final answer
x = 3,812,131,949.55
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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.