Finding the Fourth Proportional to 4,036,457,989.80, 6,054,686,984.70 and 2,948,066,821.80
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Solution
The fourth proportional to 4,036,457,989.80, 6,054,686,984.70 and 2,948,066,821.80 is: 4,422,100,232.70
Step by Step Solution
- Step 1: Write the proportion equation
4,036,457,989.80 : 6,054,686,984.70 = 2,948,066,821.80 : x - Step 2: Convert to fraction form
4,036,457,989.80/6,054,686,984.70 = 2,948,066,821.80/x - Step 3: Cross multiply
4,036,457,989.80x = 6,054,686,984.70 × 2,948,066,821.80 - Step 4: Simplify right side
4,036,457,989.80x = 17,849,621,815,978,354,688 - Step 5: Solve for x
x = 17,849,621,815,978,354,688/4,036,457,989.80 - Step 6: Final answer
x = 4,422,100,232.70
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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.