Finding the Fourth Proportional to 289,776,427.44, 399,855,149.64 and 195,894,816
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Solution
The fourth proportional to 289,776,427.44, 399,855,149.64 and 195,894,816 is: 270,310,292.86
Step by Step Solution
- Step 1: Write the proportion equation
289,776,427.44 : 399,855,149.64 = 195,894,816 : x - Step 2: Convert to fraction form
289,776,427.44/399,855,149.64 = 195,894,816/x - Step 3: Cross multiply
289,776,427.44x = 399,855,149.64 × 195,894,816 - Step 4: Simplify right side
289,776,427.44x = 78,329,550,965,380,256 - Step 5: Solve for x
x = 78,329,550,965,380,256/289,776,427.44 - Step 6: Final answer
x = 270,310,292.86
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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.