Finding the Fourth Proportional to 256,322,498.88, 353,717,740.68 and 150,474,212.13
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Solution
The fourth proportional to 256,322,498.88, 353,717,740.68 and 150,474,212.13 is: 207,650,122.71
Step by Step Solution
- Step 1: Write the proportion equation
256,322,498.88 : 353,717,740.68 = 150,474,212.13 : x - Step 2: Convert to fraction form
256,322,498.88/353,717,740.68 = 150,474,212.13/x - Step 3: Cross multiply
256,322,498.88x = 353,717,740.68 × 150,474,212.13 - Step 4: Simplify right side
256,322,498.88x = 53,225,398,345,226,648 - Step 5: Solve for x
x = 53,225,398,345,226,648/256,322,498.88 - Step 6: Final answer
x = 207,650,122.71
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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.