Finding the Fourth Proportional to 504,259,902.50, 695,879,594.00 and 281,255,958.03
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Solution
The fourth proportional to 504,259,902.50, 695,879,594.00 and 281,255,958.03 is: 388,133,739.99
Step by Step Solution
- Step 1: Write the proportion equation
504,259,902.50 : 695,879,594.00 = 281,255,958.03 : x - Step 2: Convert to fraction form
504,259,902.50/695,879,594.00 = 281,255,958.03/x - Step 3: Cross multiply
504,259,902.50x = 695,879,594.00 × 281,255,958.03 - Step 4: Simplify right side
504,259,902.50x = 195,720,281,882,591,136 - Step 5: Solve for x
x = 195,720,281,882,591,136/504,259,902.50 - Step 6: Final answer
x = 388,133,739.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.