Finding the Fourth Proportional to 6,420,764,628.94, 9,628,836,341.46 and 2,222,576,771.62
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Solution
The fourth proportional to 6,420,764,628.94, 9,628,836,341.46 and 2,222,576,771.62 is: 3,333,065,332.09
Step by Step Solution
- Step 1: Write the proportion equation
6,420,764,628.94 : 9,628,836,341.46 = 2,222,576,771.62 : x - Step 2: Convert to fraction form
6,420,764,628.94/9,628,836,341.46 = 2,222,576,771.62/x - Step 3: Cross multiply
6,420,764,628.94x = 9,628,836,341.46 × 2,222,576,771.62 - Step 4: Simplify right side
6,420,764,628.94x = 21,400,827,990,259,494,912 - Step 5: Solve for x
x = 21,400,827,990,259,494,912/6,420,764,628.94 - Step 6: Final answer
x = 3,333,065,332.09
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1.5x scale
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.