Finding the Fourth Proportional to 1,597,802,760.02, 2,205,035,905.44 and 892,954,720.70
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Solution
The fourth proportional to 1,597,802,760.02, 2,205,035,905.44 and 892,954,720.70 is: 1,232,315,571.32
Step by Step Solution
- Step 1: Write the proportion equation
1,597,802,760.02 : 2,205,035,905.44 = 892,954,720.70 : x - Step 2: Convert to fraction form
1,597,802,760.02/2,205,035,905.44 = 892,954,720.70/x - Step 3: Cross multiply
1,597,802,760.02x = 2,205,035,905.44 × 892,954,720.70 - Step 4: Simplify right side
1,597,802,760.02x = 1,968,997,221,075,646,976 - Step 5: Solve for x
x = 1,968,997,221,075,646,976/1,597,802,760.02 - Step 6: Final answer
x = 1,232,315,571.32
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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.