Finding the Fourth Proportional to 366,125,960.13, 505,257,532.74 and 198,865,487.52
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Solution
The fourth proportional to 366,125,960.13, 505,257,532.74 and 198,865,487.52 is: 274,436,386.69
Step by Step Solution
- Step 1: Write the proportion equation
366,125,960.13 : 505,257,532.74 = 198,865,487.52 : x - Step 2: Convert to fraction form
366,125,960.13/505,257,532.74 = 198,865,487.52/x - Step 3: Cross multiply
366,125,960.13x = 505,257,532.74 × 198,865,487.52 - Step 4: Simplify right side
366,125,960.13x = 100,478,285,568,966,176 - Step 5: Solve for x
x = 100,478,285,568,966,176/366,125,960.13 - Step 6: Final answer
x = 274,436,386.69
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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.