Finding the Fourth Proportional to 526,529,906.70, 789,794,860.05 and 254,432,114.70
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Solution
The fourth proportional to 526,529,906.70, 789,794,860.05 and 254,432,114.70 is: 381,648,172.05
Step by Step Solution
- Step 1: Write the proportion equation
526,529,906.70 : 789,794,860.05 = 254,432,114.70 : x - Step 2: Convert to fraction form
526,529,906.70/789,794,860.05 = 254,432,114.70/x - Step 3: Cross multiply
526,529,906.70x = 789,794,860.05 × 254,432,114.70 - Step 4: Simplify right side
526,529,906.70x = 200,949,176,421,712,032 - Step 5: Solve for x
x = 200,949,176,421,712,032/526,529,906.70 - Step 6: Final answer
x = 381,648,172.05
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1.5x scale
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.