Finding the Fourth Proportional to 3,796,202,885,533.40, 5,239,194,575,570 and 2,128,068,812,602.60
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Solution
The fourth proportional to 3,796,202,885,533.40, 5,239,194,575,570 and 2,128,068,812,602.60 is: 2,936,978,585,079.14
Step by Step Solution
- Step 1: Write the proportion equation
3,796,202,885,533.40 : 5,239,194,575,570 = 2,128,068,812,602.60 : x - Step 2: Convert to fraction form
3,796,202,885,533.40/5,239,194,575,570 = 2,128,068,812,602.60/x - Step 3: Cross multiply
3,796,202,885,533.40x = 5,239,194,575,570 × 2,128,068,812,602.60 - Step 4: Simplify right side
3,796,202,885,533.40x = 11,149,366,579,427,233,348,190,208 - Step 5: Solve for x
x = 11,149,366,579,427,233,348,190,208/3,796,202,885,533.40 - Step 6: Final answer
x = 2,936,978,585,079.14
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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.