Finding the Fourth Proportional to 4,465,123,391.21, 6,698,694,121.33 and 1,477,179,470.57
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Solution
The fourth proportional to 4,465,123,391.21, 6,698,694,121.33 and 1,477,179,470.57 is: 2,216,103,020.83
Step by Step Solution
- Step 1: Write the proportion equation
4,465,123,391.21 : 6,698,694,121.33 = 1,477,179,470.57 : x - Step 2: Convert to fraction form
4,465,123,391.21/6,698,694,121.33 = 1,477,179,470.57/x - Step 3: Cross multiply
4,465,123,391.21x = 6,698,694,121.33 × 1,477,179,470.57 - Step 4: Simplify right side
4,465,123,391.21x = 9,895,173,435,619,434,496 - Step 5: Solve for x
x = 9,895,173,435,619,434,496/4,465,123,391.21 - Step 6: Final answer
x = 2,216,103,020.83
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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.