Finding the Fourth Proportional to 823,609,243.84, 1,235,412,874.48 and 210,193,535.20
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Solution
The fourth proportional to 823,609,243.84, 1,235,412,874.48 and 210,193,535.20 is: 315,290,049.82
Step by Step Solution
- Step 1: Write the proportion equation
823,609,243.84 : 1,235,412,874.48 = 210,193,535.20 : x - Step 2: Convert to fraction form
823,609,243.84/1,235,412,874.48 = 210,193,535.20/x - Step 3: Cross multiply
823,609,243.84x = 1,235,412,874.48 × 210,193,535.20 - Step 4: Simplify right side
823,609,243.84x = 259,675,799,518,545,056 - Step 5: Solve for x
x = 259,675,799,518,545,056/823,609,243.84 - Step 6: Final answer
x = 315,290,049.82
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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.