Finding the Fourth Proportional to 3,709,175,565.70, 5,563,763,348.55 and 3,683,347,533.10
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Solution
The fourth proportional to 3,709,175,565.70, 5,563,763,348.55 and 3,683,347,533.10 is: 5,525,021,299.65
Step by Step Solution
- Step 1: Write the proportion equation
3,709,175,565.70 : 5,563,763,348.55 = 3,683,347,533.10 : x - Step 2: Convert to fraction form
3,709,175,565.70/5,563,763,348.55 = 3,683,347,533.10/x - Step 3: Cross multiply
3,709,175,565.70x = 5,563,763,348.55 × 3,683,347,533.10 - Step 4: Simplify right side
3,709,175,565.70x = 20,493,274,004,633,837,568 - Step 5: Solve for x
x = 20,493,274,004,633,837,568/3,709,175,565.70 - Step 6: Final answer
x = 5,525,021,299.65
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1.5x scale
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.