Finding the Fourth Proportional to 451,343,143.80, 677,014,715.70 and 193,062,817.80
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Solution
The fourth proportional to 451,343,143.80, 677,014,715.70 and 193,062,817.80 is: 289,594,226.70
Step by Step Solution
- Step 1: Write the proportion equation
451,343,143.80 : 677,014,715.70 = 193,062,817.80 : x - Step 2: Convert to fraction form
451,343,143.80/677,014,715.70 = 193,062,817.80/x - Step 3: Cross multiply
451,343,143.80x = 677,014,715.70 × 193,062,817.80 - Step 4: Simplify right side
451,343,143.80x = 130,706,368,705,107,920 - Step 5: Solve for x
x = 130,706,368,705,107,920/451,343,143.80 - Step 6: Final answer
x = 289,594,226.70
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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.