Finding the Fourth Proportional to 848,281,448.85, 1,272,422,173.28 and 787,059,445.65
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Solution
The fourth proportional to 848,281,448.85, 1,272,422,173.28 and 787,059,445.65 is: 1,180,589,168.48
Step by Step Solution
- Step 1: Write the proportion equation
848,281,448.85 : 1,272,422,173.28 = 787,059,445.65 : x - Step 2: Convert to fraction form
848,281,448.85/1,272,422,173.28 = 787,059,445.65/x - Step 3: Cross multiply
848,281,448.85x = 1,272,422,173.28 × 787,059,445.65 - Step 4: Simplify right side
848,281,448.85x = 1,001,471,890,330,589,824 - Step 5: Solve for x
x = 1,001,471,890,330,589,824/848,281,448.85 - Step 6: Final answer
x = 1,180,589,168.48
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Double scale
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Similar ratio
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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.