Finding the Fourth Proportional to 381,524,858.40, 572,287,287.60 and 94,310,522.40
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Solution
The fourth proportional to 381,524,858.40, 572,287,287.60 and 94,310,522.40 is: 141,465,783.60
Step by Step Solution
- Step 1: Write the proportion equation
381,524,858.40 : 572,287,287.60 = 94,310,522.40 : x - Step 2: Convert to fraction form
381,524,858.40/572,287,287.60 = 94,310,522.40/x - Step 3: Cross multiply
381,524,858.40x = 572,287,287.60 × 94,310,522.40 - Step 4: Simplify right side
381,524,858.40x = 53,972,713,056,435,048 - Step 5: Solve for x
x = 53,972,713,056,435,048/381,524,858.40 - Step 6: Final answer
x = 141,465,783.60
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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.