Finding the Fourth Proportional to 49,328,190,826.65, 68,061,236,290.92 and 27,918,432,261.99
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Solution
The fourth proportional to 49,328,190,826.65, 68,061,236,290.92 and 27,918,432,261.99 is: 38,520,833,284.42
Step by Step Solution
- Step 1: Write the proportion equation
49,328,190,826.65 : 68,061,236,290.92 = 27,918,432,261.99 : x - Step 2: Convert to fraction form
49,328,190,826.65/68,061,236,290.92 = 27,918,432,261.99/x - Step 3: Cross multiply
49,328,190,826.65x = 68,061,236,290.92 × 27,918,432,261.99 - Step 4: Simplify right side
49,328,190,826.65x = 1,900,163,015,055,345,713,152 - Step 5: Solve for x
x = 1,900,163,015,055,345,713,152/49,328,190,826.65 - Step 6: Final answer
x = 38,520,833,284.42
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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.