Finding the Fourth Proportional to 3,848,570,851.36, 5,311,027,775.36 and 2,088,438,259.36
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Solution
The fourth proportional to 3,848,570,851.36, 5,311,027,775.36 and 2,088,438,259.36 is: 2,882,044,798.18
Step by Step Solution
- Step 1: Write the proportion equation
3,848,570,851.36 : 5,311,027,775.36 = 2,088,438,259.36 : x - Step 2: Convert to fraction form
3,848,570,851.36/5,311,027,775.36 = 2,088,438,259.36/x - Step 3: Cross multiply
3,848,570,851.36x = 5,311,027,775.36 × 2,088,438,259.36 - Step 4: Simplify right side
3,848,570,851.36x = 11,091,753,602,585,450,496 - Step 5: Solve for x
x = 11,091,753,602,585,450,496/3,848,570,851.36 - Step 6: Final answer
x = 2,882,044,798.18
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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.