Finding the Fourth Proportional to 236,089,600.20, 354,134,400.30 and 193,007,449.80
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Solution
The fourth proportional to 236,089,600.20, 354,134,400.30 and 193,007,449.80 is: 289,511,174.70
Step by Step Solution
- Step 1: Write the proportion equation
236,089,600.20 : 354,134,400.30 = 193,007,449.80 : x - Step 2: Convert to fraction form
236,089,600.20/354,134,400.30 = 193,007,449.80/x - Step 3: Cross multiply
236,089,600.20x = 354,134,400.30 × 193,007,449.80 - Step 4: Simplify right side
236,089,600.20x = 68,350,577,488,355,360 - Step 5: Solve for x
x = 68,350,577,488,355,360/236,089,600.20 - Step 6: Final answer
x = 289,511,174.70
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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.