Finding the Fourth Proportional to 391,769,647.08, 587,008,765.49 and 227,546,406.47
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Solution
The fourth proportional to 391,769,647.08, 587,008,765.49 and 227,546,406.47 is: 340,944,573.28
Step by Step Solution
- Step 1: Write the proportion equation
391,769,647.08 : 587,008,765.49 = 227,546,406.47 : x - Step 2: Convert to fraction form
391,769,647.08/587,008,765.49 = 227,546,406.47/x - Step 3: Cross multiply
391,769,647.08x = 587,008,765.49 × 227,546,406.47 - Step 4: Simplify right side
391,769,647.08x = 133,571,735,149,567,680 - Step 5: Solve for x
x = 133,571,735,149,567,680/391,769,647.08 - Step 6: Final answer
x = 340,944,573.28
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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.