Finding the Fourth Proportional to 3,542,961,664.80, 5,314,442,497.20 and 2,624,631,616.80
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Solution
The fourth proportional to 3,542,961,664.80, 5,314,442,497.20 and 2,624,631,616.80 is: 3,936,947,425.20
Step by Step Solution
- Step 1: Write the proportion equation
3,542,961,664.80 : 5,314,442,497.20 = 2,624,631,616.80 : x - Step 2: Convert to fraction form
3,542,961,664.80/5,314,442,497.20 = 2,624,631,616.80/x - Step 3: Cross multiply
3,542,961,664.80x = 5,314,442,497.20 × 2,624,631,616.80 - Step 4: Simplify right side
3,542,961,664.80x = 13,948,453,803,816,665,088 - Step 5: Solve for x
x = 13,948,453,803,816,665,088/3,542,961,664.80 - Step 6: Final answer
x = 3,936,947,425.20
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Double scale
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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.