Finding the Fourth Proportional to 23,489,114,328.81, 32,415,666,107.81 and 12,784,928,355.09
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Solution
The fourth proportional to 23,489,114,328.81, 32,415,666,107.81 and 12,784,928,355.09 is: 17,643,575,784.49
Step by Step Solution
- Step 1: Write the proportion equation
23,489,114,328.81 : 32,415,666,107.81 = 12,784,928,355.09 : x - Step 2: Convert to fraction form
23,489,114,328.81/32,415,666,107.81 = 12,784,928,355.09/x - Step 3: Cross multiply
23,489,114,328.81x = 32,415,666,107.81 × 12,784,928,355.09 - Step 4: Simplify right side
23,489,114,328.81x = 414,431,968,770,806,054,912 - Step 5: Solve for x
x = 414,431,968,770,806,054,912/23,489,114,328.81 - Step 6: Final answer
x = 17,643,575,784.49
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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.