Finding the Fourth Proportional to 39,205,389,380.48, 54,108,011,380.48 and 22,291,571,230.08
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Solution
The fourth proportional to 39,205,389,380.48, 54,108,011,380.48 and 22,291,571,230.08 is: 30,764,969,022.51
Step by Step Solution
- Step 1: Write the proportion equation
39,205,389,380.48 : 54,108,011,380.48 = 22,291,571,230.08 : x - Step 2: Convert to fraction form
39,205,389,380.48/54,108,011,380.48 = 22,291,571,230.08/x - Step 3: Cross multiply
39,205,389,380.48x = 54,108,011,380.48 × 22,291,571,230.08 - Step 4: Simplify right side
39,205,389,380.48x = 1,206,152,589,805,949,288,448 - Step 5: Solve for x
x = 1,206,152,589,805,949,288,448/39,205,389,380.48 - Step 6: Final answer
x = 30,764,969,022.51
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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.