Finding the Fourth Proportional to 552,310,211.82, 762,204,251.29 and 301,430,694.84
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Solution
The fourth proportional to 552,310,211.82, 762,204,251.29 and 301,430,694.84 is: 415,983,177.86
Step by Step Solution
- Step 1: Write the proportion equation
552,310,211.82 : 762,204,251.29 = 301,430,694.84 : x - Step 2: Convert to fraction form
552,310,211.82/762,204,251.29 = 301,430,694.84/x - Step 3: Cross multiply
552,310,211.82x = 762,204,251.29 × 301,430,694.84 - Step 4: Simplify right side
552,310,211.82x = 229,751,757,076,346,624 - Step 5: Solve for x
x = 229,751,757,076,346,624/552,310,211.82 - Step 6: Final answer
x = 415,983,177.86
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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.