Finding the Fourth Proportional to 519,453,902.07, 716,847,076.17 and 281,299,497.48
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Solution
The fourth proportional to 519,453,902.07, 716,847,076.17 and 281,299,497.48 is: 388,193,680.89
Step by Step Solution
- Step 1: Write the proportion equation
519,453,902.07 : 716,847,076.17 = 281,299,497.48 : x - Step 2: Convert to fraction form
519,453,902.07/716,847,076.17 = 281,299,497.48/x - Step 3: Cross multiply
519,453,902.07x = 716,847,076.17 × 281,299,497.48 - Step 4: Simplify right side
519,453,902.07x = 201,648,722,296,628,288 - Step 5: Solve for x
x = 201,648,722,296,628,288/519,453,902.07 - Step 6: Final answer
x = 388,193,680.89
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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.