Finding the Fourth Proportional to 442,912,190.70, 664,368,286.05 and 184,631,864.70
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Solution
The fourth proportional to 442,912,190.70, 664,368,286.05 and 184,631,864.70 is: 276,947,797.05
Step by Step Solution
- Step 1: Write the proportion equation
442,912,190.70 : 664,368,286.05 = 184,631,864.70 : x - Step 2: Convert to fraction form
442,912,190.70/664,368,286.05 = 184,631,864.70/x - Step 3: Cross multiply
442,912,190.70x = 664,368,286.05 × 184,631,864.70 - Step 4: Simplify right side
442,912,190.70x = 122,663,555,500,954,480 - Step 5: Solve for x
x = 122,663,555,500,954,480/442,912,190.70 - Step 6: Final answer
x = 276,947,797.05
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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.