Finding the Fourth Proportional to 1,655,568,966.12, 2,482,353,197.60 and 659,743,195.07
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Solution
The fourth proportional to 1,655,568,966.12, 2,482,353,197.60 and 659,743,195.07 is: 989,216,192.97
Step by Step Solution
- Step 1: Write the proportion equation
1,655,568,966.12 : 2,482,353,197.60 = 659,743,195.07 : x - Step 2: Convert to fraction form
1,655,568,966.12/2,482,353,197.60 = 659,743,195.07/x - Step 3: Cross multiply
1,655,568,966.12x = 2,482,353,197.60 × 659,743,195.07 - Step 4: Simplify right side
1,655,568,966.12x = 1,637,715,629,861,144,576 - Step 5: Solve for x
x = 1,637,715,629,861,144,576/1,655,568,966.12 - Step 6: Final answer
x = 989,216,192.97
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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.