Finding the Fourth Proportional to 394,259,998.11, 544,246,329.48 and 245,654,540.94
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Solution
The fourth proportional to 394,259,998.11, 544,246,329.48 and 245,654,540.94 is: 339,107,651.97
Step by Step Solution
- Step 1: Write the proportion equation
394,259,998.11 : 544,246,329.48 = 245,654,540.94 : x - Step 2: Convert to fraction form
394,259,998.11/544,246,329.48 = 245,654,540.94/x - Step 3: Cross multiply
394,259,998.11x = 544,246,329.48 × 245,654,540.94 - Step 4: Simplify right side
394,259,998.11x = 133,696,582,226,689,392 - Step 5: Solve for x
x = 133,696,582,226,689,392/394,259,998.11 - Step 6: Final answer
x = 339,107,651.97
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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.