Finding the Fourth Proportional to 366,956,503.15, 506,400,057.01 and 201,944,072.65
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Solution
The fourth proportional to 366,956,503.15, 506,400,057.01 and 201,944,072.65 is: 278,682,865.75
Step by Step Solution
- Step 1: Write the proportion equation
366,956,503.15 : 506,400,057.01 = 201,944,072.65 : x - Step 2: Convert to fraction form
366,956,503.15/506,400,057.01 = 201,944,072.65/x - Step 3: Cross multiply
366,956,503.15x = 506,400,057.01 × 201,944,072.65 - Step 4: Simplify right side
366,956,503.15x = 102,264,489,902,286,720 - Step 5: Solve for x
x = 102,264,489,902,286,720/366,956,503.15 - Step 6: Final answer
x = 278,682,865.75
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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.