Finding the Fourth Proportional to 823,609,175.43, 1,235,412,771.68 and 210,193,466.79
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Solution
The fourth proportional to 823,609,175.43, 1,235,412,771.68 and 210,193,466.79 is: 315,289,947.15
Step by Step Solution
- Step 1: Write the proportion equation
823,609,175.43 : 1,235,412,771.68 = 210,193,466.79 : x - Step 2: Convert to fraction form
823,609,175.43/1,235,412,771.68 = 210,193,466.79/x - Step 3: Cross multiply
823,609,175.43x = 1,235,412,771.68 × 210,193,466.79 - Step 4: Simplify right side
823,609,175.43x = 259,675,693,395,010,944 - Step 5: Solve for x
x = 259,675,693,395,010,944/823,609,175.43 - Step 6: Final answer
x = 315,289,947.15
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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.