Finding the Fourth Proportional to 363,969,871.80, 545,954,807.70 and 202,411,807.80
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Solution
The fourth proportional to 363,969,871.80, 545,954,807.70 and 202,411,807.80 is: 303,617,711.70
Step by Step Solution
- Step 1: Write the proportion equation
363,969,871.80 : 545,954,807.70 = 202,411,807.80 : x - Step 2: Convert to fraction form
363,969,871.80/545,954,807.70 = 202,411,807.80/x - Step 3: Cross multiply
363,969,871.80x = 545,954,807.70 × 202,411,807.80 - Step 4: Simplify right side
363,969,871.80x = 110,507,699,603,658,384 - Step 5: Solve for x
x = 110,507,699,603,658,384/363,969,871.80 - Step 6: Final answer
x = 303,617,711.70
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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.