Finding the Fourth Proportional to 286,491,440.70, 429,843,568.80 and 199,006,861.68
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Solution
The fourth proportional to 286,491,440.70, 429,843,568.80 and 199,006,861.68 is: 298,584,207.02
Step by Step Solution
- Step 1: Write the proportion equation
286,491,440.70 : 429,843,568.80 = 199,006,861.68 : x - Step 2: Convert to fraction form
286,491,440.70/429,843,568.80 = 199,006,861.68/x - Step 3: Cross multiply
286,491,440.70x = 429,843,568.80 × 199,006,861.68 - Step 4: Simplify right side
286,491,440.70x = 85,541,819,640,219,168 - Step 5: Solve for x
x = 85,541,819,640,219,168/286,491,440.70 - Step 6: Final answer
x = 298,584,207.02
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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.