Finding the Fourth Proportional to 367,129,743.46, 506,675,644.09 and 274,148,826.02
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Solution
The fourth proportional to 367,129,743.46, 506,675,644.09 and 274,148,826.02 is: 378,352,709.02
Step by Step Solution
- Step 1: Write the proportion equation
367,129,743.46 : 506,675,644.09 = 274,148,826.02 : x - Step 2: Convert to fraction form
367,129,743.46/506,675,644.09 = 274,148,826.02/x - Step 3: Cross multiply
367,129,743.46x = 506,675,644.09 × 274,148,826.02 - Step 4: Simplify right side
367,129,743.46x = 138,904,533,000,200,832 - Step 5: Solve for x
x = 138,904,533,000,200,832/367,129,743.46 - Step 6: Final answer
x = 378,352,709.02
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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.