Finding the Fourth Proportional to 3,201,976,610.94, 4,418,486,464.61 and 1,948,774,960.02
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Solution
The fourth proportional to 3,201,976,610.94, 4,418,486,464.61 and 1,948,774,960.02 is: 2,689,162,611.00
Step by Step Solution
- Step 1: Write the proportion equation
3,201,976,610.94 : 4,418,486,464.61 = 1,948,774,960.02 : x - Step 2: Convert to fraction form
3,201,976,610.94/4,418,486,464.61 = 1,948,774,960.02/x - Step 3: Cross multiply
3,201,976,610.94x = 4,418,486,464.61 × 1,948,774,960.02 - Step 4: Simplify right side
3,201,976,610.94x = 8,610,635,783,440,289,792 - Step 5: Solve for x
x = 8,610,635,783,440,289,792/3,201,976,610.94 - Step 6: Final answer
x = 2,689,162,611.00
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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.