Finding the Fourth Proportional to 848,281,774.80, 1,272,422,662.20 and 440,135,086.80
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Solution
The fourth proportional to 848,281,774.80, 1,272,422,662.20 and 440,135,086.80 is: 660,202,630.20
Step by Step Solution
- Step 1: Write the proportion equation
848,281,774.80 : 1,272,422,662.20 = 440,135,086.80 : x - Step 2: Convert to fraction form
848,281,774.80/1,272,422,662.20 = 440,135,086.80/x - Step 3: Cross multiply
848,281,774.80x = 1,272,422,662.20 × 440,135,086.80 - Step 4: Simplify right side
848,281,774.80x = 560,037,858,873,684,096 - Step 5: Solve for x
x = 560,037,858,873,684,096/848,281,774.80 - Step 6: Final answer
x = 660,202,630.20
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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.