Finding the Fourth Proportional to 396,820,581.89, 595,411,562.84 and 202,632,040.49
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Solution
The fourth proportional to 396,820,581.89, 595,411,562.84 and 202,632,040.49 is: 304,040,328.08
Step by Step Solution
- Step 1: Write the proportion equation
396,820,581.89 : 595,411,562.84 = 202,632,040.49 : x - Step 2: Convert to fraction form
396,820,581.89/595,411,562.84 = 202,632,040.49/x - Step 3: Cross multiply
396,820,581.89x = 595,411,562.84 × 202,632,040.49 - Step 4: Simplify right side
396,820,581.89x = 120,649,459,905,618,864 - Step 5: Solve for x
x = 120,649,459,905,618,864/396,820,581.89 - Step 6: Final answer
x = 304,040,328.08
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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.