Finding the Fourth Proportional to 1,655,568,970.62, 2,482,353,204.35 and 659,743,199.57
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Solution
The fourth proportional to 1,655,568,970.62, 2,482,353,204.35 and 659,743,199.57 is: 989,216,199.72
Step by Step Solution
- Step 1: Write the proportion equation
1,655,568,970.62 : 2,482,353,204.35 = 659,743,199.57 : x - Step 2: Convert to fraction form
1,655,568,970.62/2,482,353,204.35 = 659,743,199.57/x - Step 3: Cross multiply
1,655,568,970.62x = 2,482,353,204.35 × 659,743,199.57 - Step 4: Simplify right side
1,655,568,970.62x = 1,637,715,645,485,000,448 - Step 5: Solve for x
x = 1,637,715,645,485,000,448/1,655,568,970.62 - Step 6: Final answer
x = 989,216,199.72
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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.