Finding the Fourth Proportional to 366,949,240.20, 506,390,023.62 and 201,936,810.60
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Solution
The fourth proportional to 366,949,240.20, 506,390,023.62 and 201,936,810.60 is: 278,672,838.33
Step by Step Solution
- Step 1: Write the proportion equation
366,949,240.20 : 506,390,023.62 = 201,936,810.60 : x - Step 2: Convert to fraction form
366,949,240.20/506,390,023.62 = 201,936,810.60/x - Step 3: Cross multiply
366,949,240.20x = 506,390,023.62 × 201,936,810.60 - Step 4: Simplify right side
366,949,240.20x = 102,258,786,289,481,472 - Step 5: Solve for x
x = 102,258,786,289,481,472/366,949,240.20 - Step 6: Final answer
x = 278,672,838.33
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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.