Finding the Fourth Proportional to 420,246,439.44, 579,934,032.48 and 232,082,694.96
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Solution
The fourth proportional to 420,246,439.44, 579,934,032.48 and 232,082,694.96 is: 320,270,775.73
Step by Step Solution
- Step 1: Write the proportion equation
420,246,439.44 : 579,934,032.48 = 232,082,694.96 : x - Step 2: Convert to fraction form
420,246,439.44/579,934,032.48 = 232,082,694.96/x - Step 3: Cross multiply
420,246,439.44x = 579,934,032.48 × 232,082,694.96 - Step 4: Simplify right side
420,246,439.44x = 134,592,653,156,978,576 - Step 5: Solve for x
x = 134,592,653,156,978,576/420,246,439.44 - Step 6: Final answer
x = 320,270,775.73
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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.