Finding the Fourth Proportional to 548,719,057.36, 757,233,128.72 and 297,823,539.28
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Solution
The fourth proportional to 548,719,057.36, 757,233,128.72 and 297,823,539.28 is: 410,996,934.46
Step by Step Solution
- Step 1: Write the proportion equation
548,719,057.36 : 757,233,128.72 = 297,823,539.28 : x - Step 2: Convert to fraction form
548,719,057.36/757,233,128.72 = 297,823,539.28/x - Step 3: Cross multiply
548,719,057.36x = 757,233,128.72 × 297,823,539.28 - Step 4: Simplify right side
548,719,057.36x = 225,521,850,455,458,208 - Step 5: Solve for x
x = 225,521,850,455,458,208/548,719,057.36 - Step 6: Final answer
x = 410,996,934.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.