Finding the Fourth Proportional to 3,542,961,905.80, 5,314,442,858.70 and 2,624,631,857.80
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Solution
The fourth proportional to 3,542,961,905.80, 5,314,442,858.70 and 2,624,631,857.80 is: 3,936,947,786.70
Step by Step Solution
- Step 1: Write the proportion equation
3,542,961,905.80 : 5,314,442,858.70 = 2,624,631,857.80 : x - Step 2: Convert to fraction form
3,542,961,905.80/5,314,442,858.70 = 2,624,631,857.80/x - Step 3: Cross multiply
3,542,961,905.80x = 5,314,442,858.70 × 2,624,631,857.80 - Step 4: Simplify right side
3,542,961,905.80x = 13,948,456,033,401,724,928 - Step 5: Solve for x
x = 13,948,456,033,401,724,928/3,542,961,905.80 - Step 6: Final answer
x = 3,936,947,786.70
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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.