Finding the Fourth Proportional to 317,560,344.04, 438,280,670.82 and 193,872,724.84
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Solution
The fourth proportional to 317,560,344.04, 438,280,670.82 and 193,872,724.84 is: 267,573,295.88
Step by Step Solution
- Step 1: Write the proportion equation
317,560,344.04 : 438,280,670.82 = 193,872,724.84 : x - Step 2: Convert to fraction form
317,560,344.04/438,280,670.82 = 193,872,724.84/x - Step 3: Cross multiply
317,560,344.04x = 438,280,670.82 × 193,872,724.84 - Step 4: Simplify right side
317,560,344.04x = 84,970,667,896,576,480 - Step 5: Solve for x
x = 84,970,667,896,576,480/317,560,344.04 - Step 6: Final answer
x = 267,573,295.88
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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.