Finding the Fourth Proportional to 397,418,590.97, 548,437,680.61 and 221,202,803.27
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Solution
The fourth proportional to 397,418,590.97, 548,437,680.61 and 221,202,803.27 is: 305,259,882.47
Step by Step Solution
- Step 1: Write the proportion equation
397,418,590.97 : 548,437,680.61 = 221,202,803.27 : x - Step 2: Convert to fraction form
397,418,590.97/548,437,680.61 = 221,202,803.27/x - Step 3: Cross multiply
397,418,590.97x = 548,437,680.61 × 221,202,803.27 - Step 4: Simplify right side
397,418,590.97x = 121,315,952,371,885,760 - Step 5: Solve for x
x = 121,315,952,371,885,760/397,418,590.97 - Step 6: Final answer
x = 305,259,882.47
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