Finding the Fourth Proportional to 762,715,891.02, 1,144,084,465.74 and 217,457,425.02
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Solution
The fourth proportional to 762,715,891.02, 1,144,084,465.74 and 217,457,425.02 is: 326,189,168.02
Step by Step Solution
- Step 1: Write the proportion equation
762,715,891.02 : 1,144,084,465.74 = 217,457,425.02 : x - Step 2: Convert to fraction form
762,715,891.02/1,144,084,465.74 = 217,457,425.02/x - Step 3: Cross multiply
762,715,891.02x = 1,144,084,465.74 × 217,457,425.02 - Step 4: Simplify right side
762,715,891.02x = 248,789,661,925,202,816 - Step 5: Solve for x
x = 248,789,661,925,202,816/762,715,891.02 - Step 6: Final answer
x = 326,189,168.02
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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.