Finding the Fourth Proportional to 199,586,475.70, 299,379,713.55 and 199,586,475.70
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Solution
The fourth proportional to 199,586,475.70, 299,379,713.55 and 199,586,475.70 is: 299,379,713.55
Step by Step Solution
- Step 1: Write the proportion equation
199,586,475.70 : 299,379,713.55 = 199,586,475.70 : x - Step 2: Convert to fraction form
199,586,475.70/299,379,713.55 = 199,586,475.70/x - Step 3: Cross multiply
199,586,475.70x = 299,379,713.55 × 199,586,475.70 - Step 4: Simplify right side
199,586,475.70x = 59,752,141,923,520,032 - Step 5: Solve for x
x = 59,752,141,923,520,032/199,586,475.70 - Step 6: Final answer
x = 299,379,713.55
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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.