Finding the Fourth Proportional to 823,609,176.60, 1,235,412,773.42 and 210,193,467.96
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Solution
The fourth proportional to 823,609,176.60, 1,235,412,773.42 and 210,193,467.96 is: 315,289,948.90
Step by Step Solution
- Step 1: Write the proportion equation
823,609,176.60 : 1,235,412,773.42 = 210,193,467.96 : x - Step 2: Convert to fraction form
823,609,176.60/1,235,412,773.42 = 210,193,467.96/x - Step 3: Cross multiply
823,609,176.60x = 1,235,412,773.42 × 210,193,467.96 - Step 4: Simplify right side
823,609,176.60x = 259,675,695,206,180,544 - Step 5: Solve for x
x = 259,675,695,206,180,544/823,609,176.60 - Step 6: Final answer
x = 315,289,948.90
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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.