Finding the Fourth Proportional to 701,134,743.75, 967,594,435.70 and 387,863,556.63
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Solution
The fourth proportional to 701,134,743.75, 967,594,435.70 and 387,863,556.63 is: 535,267,468.27
Step by Step Solution
- Step 1: Write the proportion equation
701,134,743.75 : 967,594,435.70 = 387,863,556.63 : x - Step 2: Convert to fraction form
701,134,743.75/967,594,435.70 = 387,863,556.63/x - Step 3: Cross multiply
701,134,743.75x = 967,594,435.70 × 387,863,556.63 - Step 4: Simplify right side
701,134,743.75x = 375,294,619,205,999,872 - Step 5: Solve for x
x = 375,294,619,205,999,872/701,134,743.75 - Step 6: Final answer
x = 535,267,468.27
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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.