Finding the Fourth Proportional to 351,511,463.25, 527,354,867.79 and 248,082,702.03
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Solution
The fourth proportional to 351,511,463.25, 527,354,867.79 and 248,082,702.03 is: 372,185,929.07
Step by Step Solution
- Step 1: Write the proportion equation
351,511,463.25 : 527,354,867.79 = 248,082,702.03 : x - Step 2: Convert to fraction form
351,511,463.25/527,354,867.79 = 248,082,702.03/x - Step 3: Cross multiply
351,511,463.25x = 527,354,867.79 × 248,082,702.03 - Step 4: Simplify right side
351,511,463.25x = 130,827,620,530,016,624 - Step 5: Solve for x
x = 130,827,620,530,016,624/351,511,463.25 - Step 6: Final answer
x = 372,185,929.07
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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.