Finding the Fourth Proportional to 1,527,324,047.96, 2,107,639,226.66 and 892,303,425.60
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Solution
The fourth proportional to 1,527,324,047.96, 2,107,639,226.66 and 892,303,425.60 is: 1,231,339,023.56
Step by Step Solution
- Step 1: Write the proportion equation
1,527,324,047.96 : 2,107,639,226.66 = 892,303,425.60 : x - Step 2: Convert to fraction form
1,527,324,047.96/2,107,639,226.66 = 892,303,425.60/x - Step 3: Cross multiply
1,527,324,047.96x = 2,107,639,226.66 × 892,303,425.60 - Step 4: Simplify right side
1,527,324,047.96x = 1,880,653,701,877,652,992 - Step 5: Solve for x
x = 1,880,653,701,877,652,992/1,527,324,047.96 - Step 6: Final answer
x = 1,231,339,023.56
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1.5x scale
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.