Finding the Fourth Proportional to 3,535,872,571.12, 5,302,349,607.48 and 1,206,997,135.32
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Solution
The fourth proportional to 3,535,872,571.12, 5,302,349,607.48 and 1,206,997,135.32 is: 1,809,997,577.11
Step by Step Solution
- Step 1: Write the proportion equation
3,535,872,571.12 : 5,302,349,607.48 = 1,206,997,135.32 : x - Step 2: Convert to fraction form
3,535,872,571.12/5,302,349,607.48 = 1,206,997,135.32/x - Step 3: Cross multiply
3,535,872,571.12x = 5,302,349,607.48 × 1,206,997,135.32 - Step 4: Simplify right side
3,535,872,571.12x = 6,399,920,786,693,485,568 - Step 5: Solve for x
x = 6,399,920,786,693,485,568/3,535,872,571.12 - Step 6: Final answer
x = 1,809,997,577.11
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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.