Finding the Fourth Proportional to 394,311,260.58, 591,450,449.40 and 103,171,937.54
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Solution
The fourth proportional to 394,311,260.58, 591,450,449.40 and 103,171,937.54 is: 154,753,604.38
Step by Step Solution
- Step 1: Write the proportion equation
394,311,260.58 : 591,450,449.40 = 103,171,937.54 : x - Step 2: Convert to fraction form
394,311,260.58/591,450,449.40 = 103,171,937.54/x - Step 3: Cross multiply
394,311,260.58x = 591,450,449.40 × 103,171,937.54 - Step 4: Simplify right side
394,311,260.58x = 61,021,088,823,501,728 - Step 5: Solve for x
x = 61,021,088,823,501,728/394,311,260.58 - Step 6: Final answer
x = 154,753,604.38
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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.