Finding the Fourth Proportional to 39,270,574,703.24, 54,193,558,596.27 and 22,123,633,725.08
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Solution
The fourth proportional to 39,270,574,703.24, 54,193,558,596.27 and 22,123,633,725.08 is: 30,530,707,780.64
Step by Step Solution
- Step 1: Write the proportion equation
39,270,574,703.24 : 54,193,558,596.27 = 22,123,633,725.08 : x - Step 2: Convert to fraction form
39,270,574,703.24/54,193,558,596.27 = 22,123,633,725.08/x - Step 3: Cross multiply
39,270,574,703.24x = 54,193,558,596.27 × 22,123,633,725.08 - Step 4: Simplify right side
39,270,574,703.24x = 1,198,958,440,642,538,110,976 - Step 5: Solve for x
x = 1,198,958,440,642,538,110,976/39,270,574,703.24 - Step 6: Final answer
x = 30,530,707,780.64
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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.