Finding the Fourth Proportional to 1,437,867,450.37, 2,157,016,830.42 and 505,025,879.96
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Solution
The fourth proportional to 1,437,867,450.37, 2,157,016,830.42 and 505,025,879.96 is: 757,614,564.95
Step by Step Solution
- Step 1: Write the proportion equation
1,437,867,450.37 : 2,157,016,830.42 = 505,025,879.96 : x - Step 2: Convert to fraction form
1,437,867,450.37/2,157,016,830.42 = 505,025,879.96/x - Step 3: Cross multiply
1,437,867,450.37x = 2,157,016,830.42 × 505,025,879.96 - Step 4: Simplify right side
1,437,867,450.37x = 1,089,349,322,871,390,592 - Step 5: Solve for x
x = 1,089,349,322,871,390,592/1,437,867,450.37 - Step 6: Final answer
x = 757,614,564.95
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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.