Finding the Fourth Proportional to 823,133,438.22, 1,234,942,708.36 and 331,593,772.08
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Solution
The fourth proportional to 823,133,438.22, 1,234,942,708.36 and 331,593,772.08 is: 497,488,368.17
Step by Step Solution
- Step 1: Write the proportion equation
823,133,438.22 : 1,234,942,708.36 = 331,593,772.08 : x - Step 2: Convert to fraction form
823,133,438.22/1,234,942,708.36 = 331,593,772.08/x - Step 3: Cross multiply
823,133,438.22x = 1,234,942,708.36 × 331,593,772.08 - Step 4: Simplify right side
823,133,438.22x = 409,499,310,967,783,680 - Step 5: Solve for x
x = 409,499,310,967,783,680/823,133,438.22 - Step 6: Final answer
x = 497,488,368.17
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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.