Finding the Fourth Proportional to 397,233,908.48, 548,174,197.28 and 229,977,222.08
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Solution
The fourth proportional to 397,233,908.48, 548,174,197.28 and 229,977,222.08 is: 317,363,589.60
Step by Step Solution
- Step 1: Write the proportion equation
397,233,908.48 : 548,174,197.28 = 229,977,222.08 : x - Step 2: Convert to fraction form
397,233,908.48/548,174,197.28 = 229,977,222.08/x - Step 3: Cross multiply
397,233,908.48x = 548,174,197.28 × 229,977,222.08 - Step 4: Simplify right side
397,233,908.48x = 126,067,579,106,388,288 - Step 5: Solve for x
x = 126,067,579,106,388,288/397,233,908.48 - Step 6: Final answer
x = 317,363,589.60
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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.