Finding the Fourth Proportional to 994,220,563.44, 1,372,612,213.08 and 883,906,929.12
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Solution
The fourth proportional to 994,220,563.44, 1,372,612,213.08 and 883,906,929.12 is: 1,220,314,174.49
Step by Step Solution
- Step 1: Write the proportion equation
994,220,563.44 : 1,372,612,213.08 = 883,906,929.12 : x - Step 2: Convert to fraction form
994,220,563.44/1,372,612,213.08 = 883,906,929.12/x - Step 3: Cross multiply
994,220,563.44x = 1,372,612,213.08 × 883,906,929.12 - Step 4: Simplify right side
994,220,563.44x = 1,213,261,446,136,149,760 - Step 5: Solve for x
x = 1,213,261,446,136,149,760/994,220,563.44 - Step 6: Final answer
x = 1,220,314,174.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.