Finding the Fourth Proportional to 381,717,534.80, 571,904,455.80 and 327,969,822.80
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Solution
The fourth proportional to 381,717,534.80, 571,904,455.80 and 327,969,822.80 is: 491,377,487.09
Step by Step Solution
- Step 1: Write the proportion equation
381,717,534.80 : 571,904,455.80 = 327,969,822.80 : x - Step 2: Convert to fraction form
381,717,534.80/571,904,455.80 = 327,969,822.80/x - Step 3: Cross multiply
381,717,534.80x = 571,904,455.80 × 327,969,822.80 - Step 4: Simplify right side
381,717,534.80x = 187,567,403,027,256,416 - Step 5: Solve for x
x = 187,567,403,027,256,416/381,717,534.80 - Step 6: Final answer
x = 491,377,487.09
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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.