Finding the Fourth Proportional to 273,126,634.40, 409,689,951.60 and 254,986,781.60
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Solution
The fourth proportional to 273,126,634.40, 409,689,951.60 and 254,986,781.60 is: 382,480,172.40
Step by Step Solution
- Step 1: Write the proportion equation
273,126,634.40 : 409,689,951.60 = 254,986,781.60 : x - Step 2: Convert to fraction form
273,126,634.40/409,689,951.60 = 254,986,781.60/x - Step 3: Cross multiply
273,126,634.40x = 409,689,951.60 × 254,986,781.60 - Step 4: Simplify right side
273,126,634.40x = 104,465,522,212,343,776 - Step 5: Solve for x
x = 104,465,522,212,343,776/273,126,634.40 - Step 6: Final answer
x = 382,480,172.40
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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.