Finding the Fourth Proportional to 484,197,144.99, 668,398,236.90 and 325,519,295.31
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Solution
The fourth proportional to 484,197,144.99, 668,398,236.90 and 325,519,295.31 is: 449,355,237.46
Step by Step Solution
- Step 1: Write the proportion equation
484,197,144.99 : 668,398,236.90 = 325,519,295.31 : x - Step 2: Convert to fraction form
484,197,144.99/668,398,236.90 = 325,519,295.31/x - Step 3: Cross multiply
484,197,144.99x = 668,398,236.90 × 325,519,295.31 - Step 4: Simplify right side
484,197,144.99x = 217,576,523,062,134,432 - Step 5: Solve for x
x = 217,576,523,062,134,432/484,197,144.99 - Step 6: Final answer
x = 449,355,237.46
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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.