Finding the Fourth Proportional to 548,752,939.15, 823,291,104.57 and 221,059,824.75
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Solution
The fourth proportional to 548,752,939.15, 823,291,104.57 and 221,059,824.75 is: 331,654,874.74
Step by Step Solution
- Step 1: Write the proportion equation
548,752,939.15 : 823,291,104.57 = 221,059,824.75 : x - Step 2: Convert to fraction form
548,752,939.15/823,291,104.57 = 221,059,824.75/x - Step 3: Cross multiply
548,752,939.15x = 823,291,104.57 × 221,059,824.75 - Step 4: Simplify right side
548,752,939.15x = 181,996,587,294,478,144 - Step 5: Solve for x
x = 181,996,587,294,478,144/548,752,939.15 - Step 6: Final answer
x = 331,654,874.74
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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.