Finding the Fourth Proportional to 350,600,578.99, 483,825,211.72 and 193,968,806.99
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Solution
The fourth proportional to 350,600,578.99, 483,825,211.72 and 193,968,806.99 is: 267,674,968.98
Step by Step Solution
- Step 1: Write the proportion equation
350,600,578.99 : 483,825,211.72 = 193,968,806.99 : x - Step 2: Convert to fraction form
350,600,578.99/483,825,211.72 = 193,968,806.99/x - Step 3: Cross multiply
350,600,578.99x = 483,825,211.72 × 193,968,806.99 - Step 4: Simplify right side
350,600,578.99x = 93,846,999,106,108,512 - Step 5: Solve for x
x = 93,846,999,106,108,512/350,600,578.99 - Step 6: Final answer
x = 267,674,968.98
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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.