Finding the Fourth Proportional to 481,512,639.44, 664,487,538.43 and 293,340,926.42
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Solution
The fourth proportional to 481,512,639.44, 664,487,538.43 and 293,340,926.42 is: 404,810,536.95
Step by Step Solution
- Step 1: Write the proportion equation
481,512,639.44 : 664,487,538.43 = 293,340,926.42 : x - Step 2: Convert to fraction form
481,512,639.44/664,487,538.43 = 293,340,926.42/x - Step 3: Cross multiply
481,512,639.44x = 664,487,538.43 × 293,340,926.42 - Step 4: Simplify right side
481,512,639.44x = 194,921,390,117,410,432 - Step 5: Solve for x
x = 194,921,390,117,410,432/481,512,639.44 - Step 6: Final answer
x = 404,810,536.95
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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.