Finding the Fourth Proportional to 118,362,328,563.78, 177,543,489,414.78 and 54,600,809,467.68
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Solution
The fourth proportional to 118,362,328,563.78, 177,543,489,414.78 and 54,600,809,467.68 is: 81,901,212,618.84
Step by Step Solution
- Step 1: Write the proportion equation
118,362,328,563.78 : 177,543,489,414.78 = 54,600,809,467.68 : x - Step 2: Convert to fraction form
118,362,328,563.78/177,543,489,414.78 = 54,600,809,467.68/x - Step 3: Cross multiply
118,362,328,563.78x = 177,543,489,414.78 × 54,600,809,467.68 - Step 4: Simplify right side
118,362,328,563.78x = 9,694,018,237,763,464,200,192 - Step 5: Solve for x
x = 9,694,018,237,763,464,200,192/118,362,328,563.78 - Step 6: Final answer
x = 81,901,212,618.84
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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.