Finding the Fourth Proportional to 1,331,720,725.76, 1,837,733,095.68 and 736,969,425.92
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Solution
The fourth proportional to 1,331,720,725.76, 1,837,733,095.68 and 736,969,425.92 is: 1,016,994,838.57
Step by Step Solution
- Step 1: Write the proportion equation
1,331,720,725.76 : 1,837,733,095.68 = 736,969,425.92 : x - Step 2: Convert to fraction form
1,331,720,725.76/1,837,733,095.68 = 736,969,425.92/x - Step 3: Cross multiply
1,331,720,725.76x = 1,837,733,095.68 × 736,969,425.92 - Step 4: Simplify right side
1,331,720,725.76x = 1,354,353,104,517,474,048 - Step 5: Solve for x
x = 1,354,353,104,517,474,048/1,331,720,725.76 - Step 6: Final answer
x = 1,016,994,838.57
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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.