Finding the Fourth Proportional to 313,456,614.74, 469,161,797.01 and 230,436,390.74
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Solution
The fourth proportional to 313,456,614.74, 469,161,797.01 and 230,436,390.74 is: 344,902,439.74
Step by Step Solution
- Step 1: Write the proportion equation
313,456,614.74 : 469,161,797.01 = 230,436,390.74 : x - Step 2: Convert to fraction form
313,456,614.74/469,161,797.01 = 230,436,390.74/x - Step 3: Cross multiply
313,456,614.74x = 469,161,797.01 × 230,436,390.74 - Step 4: Simplify right side
313,456,614.74x = 108,111,951,176,076,928 - Step 5: Solve for x
x = 108,111,951,176,076,928/313,456,614.74 - Step 6: Final answer
x = 344,902,439.74
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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.