Finding the Fourth Proportional to 306,544,744.73, 423,585,107.36 and 218,285,514.61
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Solution
The fourth proportional to 306,544,744.73, 423,585,107.36 and 218,285,514.61 is: 301,628,048.53
Step by Step Solution
- Step 1: Write the proportion equation
306,544,744.73 : 423,585,107.36 = 218,285,514.61 : x - Step 2: Convert to fraction form
306,544,744.73/423,585,107.36 = 218,285,514.61/x - Step 3: Cross multiply
306,544,744.73x = 423,585,107.36 × 218,285,514.61 - Step 4: Simplify right side
306,544,744.73x = 92,462,493,139,877,872 - Step 5: Solve for x
x = 92,462,493,139,877,872/306,544,744.73 - Step 6: Final answer
x = 301,628,048.53
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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.