Finding the Fourth Proportional to 4,192,128,609.90, 6,288,192,914.85 and 3,224,669,793.90
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Solution
The fourth proportional to 4,192,128,609.90, 6,288,192,914.85 and 3,224,669,793.90 is: 4,837,004,690.85
Step by Step Solution
- Step 1: Write the proportion equation
4,192,128,609.90 : 6,288,192,914.85 = 3,224,669,793.90 : x - Step 2: Convert to fraction form
4,192,128,609.90/6,288,192,914.85 = 3,224,669,793.90/x - Step 3: Cross multiply
4,192,128,609.90x = 6,288,192,914.85 × 3,224,669,793.90 - Step 4: Simplify right side
4,192,128,609.90x = 20,277,345,750,732,791,808 - Step 5: Solve for x
x = 20,277,345,750,732,791,808/4,192,128,609.90 - Step 6: Final answer
x = 4,837,004,690.85
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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.