Finding the Fourth Proportional to 189,451,211.70, 284,176,817.55 and 189,451,211.70
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Solution
The fourth proportional to 189,451,211.70, 284,176,817.55 and 189,451,211.70 is: 284,176,817.55
Step by Step Solution
- Step 1: Write the proportion equation
189,451,211.70 : 284,176,817.55 = 189,451,211.70 : x - Step 2: Convert to fraction form
189,451,211.70/284,176,817.55 = 189,451,211.70/x - Step 3: Cross multiply
189,451,211.70x = 284,176,817.55 × 189,451,211.70 - Step 4: Simplify right side
189,451,211.70x = 53,837,642,421,897,328 - Step 5: Solve for x
x = 53,837,642,421,897,328/189,451,211.70 - Step 6: Final answer
x = 284,176,817.55
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1.5x scale
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.