Finding the Fourth Proportional to 1,486,553,512.95, 2,229,685,883.69 and 451,423,361.97
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Solution
The fourth proportional to 1,486,553,512.95, 2,229,685,883.69 and 451,423,361.97 is: 677,091,197.18
Step by Step Solution
- Step 1: Write the proportion equation
1,486,553,512.95 : 2,229,685,883.69 = 451,423,361.97 : x - Step 2: Convert to fraction form
1,486,553,512.95/2,229,685,883.69 = 451,423,361.97/x - Step 3: Cross multiply
1,486,553,512.95x = 2,229,685,883.69 × 451,423,361.97 - Step 4: Simplify right side
1,486,553,512.95x = 1,006,532,297,750,133,120 - Step 5: Solve for x
x = 1,006,532,297,750,133,120/1,486,553,512.95 - Step 6: Final answer
x = 677,091,197.18
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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.