Finding the Fourth Proportional to 4,607,079,918.78, 6,362,161,232.74 and 4,356,089,142.62
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Solution
The fourth proportional to 4,607,079,918.78, 6,362,161,232.74 and 4,356,089,142.62 is: 6,015,554,745.77
Step by Step Solution
- Step 1: Write the proportion equation
4,607,079,918.78 : 6,362,161,232.74 = 4,356,089,142.62 : x - Step 2: Convert to fraction form
4,607,079,918.78/6,362,161,232.74 = 4,356,089,142.62/x - Step 3: Cross multiply
4,607,079,918.78x = 6,362,161,232.74 × 4,356,089,142.62 - Step 4: Simplify right side
4,607,079,918.78x = 27,714,141,469,541,609,472 - Step 5: Solve for x
x = 27,714,141,469,541,609,472/4,607,079,918.78 - Step 6: Final answer
x = 6,015,554,745.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.