Finding the Fourth Proportional to 4,252,409,251.20, 6,378,613,876.80 and 3,670,800,220.80
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Solution
The fourth proportional to 4,252,409,251.20, 6,378,613,876.80 and 3,670,800,220.80 is: 5,506,200,331.20
Step by Step Solution
- Step 1: Write the proportion equation
4,252,409,251.20 : 6,378,613,876.80 = 3,670,800,220.80 : x - Step 2: Convert to fraction form
4,252,409,251.20/6,378,613,876.80 = 3,670,800,220.80/x - Step 3: Cross multiply
4,252,409,251.20x = 6,378,613,876.80 × 3,670,800,220.80 - Step 4: Simplify right side
4,252,409,251.20x = 23,414,617,227,355,385,856 - Step 5: Solve for x
x = 23,414,617,227,355,385,856/4,252,409,251.20 - Step 6: Final answer
x = 5,506,200,331.20
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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.