Finding the Fourth Proportional to 39,270,574,811.96, 54,193,558,740.84 and 22,123,633,822.88
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Solution
The fourth proportional to 39,270,574,811.96, 54,193,558,740.84 and 22,123,633,822.88 is: 30,530,707,912.53
Step by Step Solution
- Step 1: Write the proportion equation
39,270,574,811.96 : 54,193,558,740.84 = 22,123,633,822.88 : x - Step 2: Convert to fraction form
39,270,574,811.96/54,193,558,740.84 = 22,123,633,822.88/x - Step 3: Cross multiply
39,270,574,811.96x = 54,193,558,740.84 × 22,123,633,822.88 - Step 4: Simplify right side
39,270,574,811.96x = 1,198,958,449,141,081,964,544 - Step 5: Solve for x
x = 1,198,958,449,141,081,964,544/39,270,574,811.96 - Step 6: Final answer
x = 30,530,707,912.53
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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.