Finding the Fourth Proportional to 302,215,310.70, 453,322,966.05 and 236,458,344.30
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Solution
The fourth proportional to 302,215,310.70, 453,322,966.05 and 236,458,344.30 is: 354,687,516.45
Step by Step Solution
- Step 1: Write the proportion equation
302,215,310.70 : 453,322,966.05 = 236,458,344.30 : x - Step 2: Convert to fraction form
302,215,310.70/453,322,966.05 = 236,458,344.30/x - Step 3: Cross multiply
302,215,310.70x = 453,322,966.05 × 236,458,344.30 - Step 4: Simplify right side
302,215,310.70x = 107,191,997,985,348,112 - Step 5: Solve for x
x = 107,191,997,985,348,112/302,215,310.70 - Step 6: Final answer
x = 354,687,516.45
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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.