Finding the Fourth Proportional to 424,192,197.61, 585,376,057.51 and 245,583,618.02
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Solution
The fourth proportional to 424,192,197.61, 585,376,057.51 and 245,583,618.02 is: 338,900,080.94
Step by Step Solution
- Step 1: Write the proportion equation
424,192,197.61 : 585,376,057.51 = 245,583,618.02 : x - Step 2: Convert to fraction form
424,192,197.61/585,376,057.51 = 245,583,618.02/x - Step 3: Cross multiply
424,192,197.61x = 585,376,057.51 × 245,583,618.02 - Step 4: Simplify right side
424,192,197.61x = 143,758,770,104,243,728 - Step 5: Solve for x
x = 143,758,770,104,243,728/424,192,197.61 - Step 6: Final answer
x = 338,900,080.94
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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.