Finding the Fourth Proportional to 298,512,242.06, 411,941,294.43 and 166,350,327.26
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Solution
The fourth proportional to 298,512,242.06, 411,941,294.43 and 166,350,327.26 is: 229,560,331.15
Step by Step Solution
- Step 1: Write the proportion equation
298,512,242.06 : 411,941,294.43 = 166,350,327.26 : x - Step 2: Convert to fraction form
298,512,242.06/411,941,294.43 = 166,350,327.26/x - Step 3: Cross multiply
298,512,242.06x = 411,941,294.43 × 166,350,327.26 - Step 4: Simplify right side
298,512,242.06x = 68,526,569,140,338,512 - Step 5: Solve for x
x = 68,526,569,140,338,512/298,512,242.06 - Step 6: Final answer
x = 229,560,331.15
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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.