Finding the Fourth Proportional to 436,971,837.12, 654,999,906.24 and 203,610,154.56
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Solution
The fourth proportional to 436,971,837.12, 654,999,906.24 and 203,610,154.56 is: 305,201,893.62
Step by Step Solution
- Step 1: Write the proportion equation
436,971,837.12 : 654,999,906.24 = 203,610,154.56 : x - Step 2: Convert to fraction form
436,971,837.12/654,999,906.24 = 203,610,154.56/x - Step 3: Cross multiply
436,971,837.12x = 654,999,906.24 × 203,610,154.56 - Step 4: Simplify right side
436,971,837.12x = 133,364,632,146,311,904 - Step 5: Solve for x
x = 133,364,632,146,311,904/436,971,837.12 - Step 6: Final answer
x = 305,201,893.62
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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.