Finding the Fourth Proportional to 5,493,744,804.80, 8,240,617,207.20 and 5,279,467,793.60
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Solution
The fourth proportional to 5,493,744,804.80, 8,240,617,207.20 and 5,279,467,793.60 is: 7,919,201,690.40
Step by Step Solution
- Step 1: Write the proportion equation
5,493,744,804.80 : 8,240,617,207.20 = 5,279,467,793.60 : x - Step 2: Convert to fraction form
5,493,744,804.80/8,240,617,207.20 = 5,279,467,793.60/x - Step 3: Cross multiply
5,493,744,804.80x = 8,240,617,207.20 × 5,279,467,793.60 - Step 4: Simplify right side
5,493,744,804.80x = 43,506,073,144,798,380,032 - Step 5: Solve for x
x = 43,506,073,144,798,380,032/5,493,744,804.80 - Step 6: Final answer
x = 7,919,201,690.40
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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.