Finding the Fourth Proportional to 2,184,096,821.80, 3,276,145,232.70 and 959,656,757.80
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Solution
The fourth proportional to 2,184,096,821.80, 3,276,145,232.70 and 959,656,757.80 is: 1,439,485,136.70
Step by Step Solution
- Step 1: Write the proportion equation
2,184,096,821.80 : 3,276,145,232.70 = 959,656,757.80 : x - Step 2: Convert to fraction form
2,184,096,821.80/3,276,145,232.70 = 959,656,757.80/x - Step 3: Cross multiply
2,184,096,821.80x = 3,276,145,232.70 × 959,656,757.80 - Step 4: Simplify right side
2,184,096,821.80x = 3,143,974,912,094,808,064 - Step 5: Solve for x
x = 3,143,974,912,094,808,064/2,184,096,821.80 - Step 6: Final answer
x = 1,439,485,136.70
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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.