Finding the Fourth Proportional to 1,324,379,626.44, 1,986,503,401.82 and 495,272,313.98
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Solution
The fourth proportional to 1,324,379,626.44, 1,986,503,401.82 and 495,272,313.98 is: 742,883,775.09
Step by Step Solution
- Step 1: Write the proportion equation
1,324,379,626.44 : 1,986,503,401.82 = 495,272,313.98 : x - Step 2: Convert to fraction form
1,324,379,626.44/1,986,503,401.82 = 495,272,313.98/x - Step 3: Cross multiply
1,324,379,626.44x = 1,986,503,401.82 × 495,272,313.98 - Step 4: Simplify right side
1,324,379,626.44x = 983,860,136,548,533,120 - Step 5: Solve for x
x = 983,860,136,548,533,120/1,324,379,626.44 - Step 6: Final answer
x = 742,883,775.09
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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.