Finding the Fourth Proportional to 3,328,731,161.66, 4,993,812,315.93 and 967,933,148.78
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Solution
The fourth proportional to 3,328,731,161.66, 4,993,812,315.93 and 967,933,148.78 is: 1,452,107,798.63
Step by Step Solution
- Step 1: Write the proportion equation
3,328,731,161.66 : 4,993,812,315.93 = 967,933,148.78 : x - Step 2: Convert to fraction form
3,328,731,161.66/4,993,812,315.93 = 967,933,148.78/x - Step 3: Cross multiply
3,328,731,161.66x = 4,993,812,315.93 × 967,933,148.78 - Step 4: Simplify right side
3,328,731,161.66x = 4,833,676,479,374,469,120 - Step 5: Solve for x
x = 4,833,676,479,374,469,120/3,328,731,161.66 - Step 6: Final answer
x = 1,452,107,798.63
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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.