Finding the Fourth Proportional to 902,850,604,933.20, 1,245,934,038,183.80 and 496,858,146,241.75
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Solution
The fourth proportional to 902,850,604,933.20, 1,245,934,038,183.80 and 496,858,146,241.75 is: 685,664,353,735.80
Step by Step Solution
- Step 1: Write the proportion equation
902,850,604,933.20 : 1,245,934,038,183.80 = 496,858,146,241.75 : x - Step 2: Convert to fraction form
902,850,604,933.20/1,245,934,038,183.80 = 496,858,146,241.75/x - Step 3: Cross multiply
902,850,604,933.20x = 1,245,934,038,183.80 × 496,858,146,241.75 - Step 4: Simplify right side
902,850,604,933.20x = 619,052,476,551,500,673,318,912 - Step 5: Solve for x
x = 619,052,476,551,500,673,318,912/902,850,604,933.20 - Step 6: Final answer
x = 685,664,353,735.80
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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.