Finding the Fourth Proportional to 1,933,582,121.21, 2,900,373,406.54 and 605,713,636.23
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Solution
The fourth proportional to 1,933,582,121.21, 2,900,373,406.54 and 605,713,636.23 is: 908,570,524.74
Step by Step Solution
- Step 1: Write the proportion equation
1,933,582,121.21 : 2,900,373,406.54 = 605,713,636.23 : x - Step 2: Convert to fraction form
1,933,582,121.21/2,900,373,406.54 = 605,713,636.23/x - Step 3: Cross multiply
1,933,582,121.21x = 2,900,373,406.54 × 605,713,636.23 - Step 4: Simplify right side
1,933,582,121.21x = 1,756,795,722,491,136,768 - Step 5: Solve for x
x = 1,756,795,722,491,136,768/1,933,582,121.21 - Step 6: Final answer
x = 908,570,524.74
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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.