Finding the Fourth Proportional to 5,668,998,119.40, 8,503,497,179.10 and 4,879,914,522.60
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Solution
The fourth proportional to 5,668,998,119.40, 8,503,497,179.10 and 4,879,914,522.60 is: 7,319,871,783.90
Step by Step Solution
- Step 1: Write the proportion equation
5,668,998,119.40 : 8,503,497,179.10 = 4,879,914,522.60 : x - Step 2: Convert to fraction form
5,668,998,119.40/8,503,497,179.10 = 4,879,914,522.60/x - Step 3: Cross multiply
5,668,998,119.40x = 8,503,497,179.10 × 4,879,914,522.60 - Step 4: Simplify right side
5,668,998,119.40x = 41,496,339,377,178,230,784 - Step 5: Solve for x
x = 41,496,339,377,178,230,784/5,668,998,119.40 - Step 6: Final answer
x = 7,319,871,783.90
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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.