Finding the Fourth Proportional to 823,609,173.93, 1,235,412,769.43 and 210,193,465.29
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Solution
The fourth proportional to 823,609,173.93, 1,235,412,769.43 and 210,193,465.29 is: 315,289,944.90
Step by Step Solution
- Step 1: Write the proportion equation
823,609,173.93 : 1,235,412,769.43 = 210,193,465.29 : x - Step 2: Convert to fraction form
823,609,173.93/1,235,412,769.43 = 210,193,465.29/x - Step 3: Cross multiply
823,609,173.93x = 1,235,412,769.43 × 210,193,465.29 - Step 4: Simplify right side
823,609,173.93x = 259,675,691,068,956,480 - Step 5: Solve for x
x = 259,675,691,068,956,480/823,609,173.93 - Step 6: Final answer
x = 315,289,944.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.