Finding the Fourth Proportional to 933,161,803.20, 1,399,742,704.80 and 727,576,804.80
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Solution
The fourth proportional to 933,161,803.20, 1,399,742,704.80 and 727,576,804.80 is: 1,091,365,207.20
Step by Step Solution
- Step 1: Write the proportion equation
933,161,803.20 : 1,399,742,704.80 = 727,576,804.80 : x - Step 2: Convert to fraction form
933,161,803.20/1,399,742,704.80 = 727,576,804.80/x - Step 3: Cross multiply
933,161,803.20x = 1,399,742,704.80 × 727,576,804.80 - Step 4: Simplify right side
933,161,803.20x = 1,018,420,324,700,493,568 - Step 5: Solve for x
x = 1,018,420,324,700,493,568/933,161,803.20 - Step 6: Final answer
x = 1,091,365,207.20
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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.