Finding the Fourth Proportional to 644,945,351.40, 967,258,580.88 and 276,438,513
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Solution
The fourth proportional to 644,945,351.40, 967,258,580.88 and 276,438,513 is: 414,589,427.16
Step by Step Solution
- Step 1: Write the proportion equation
644,945,351.40 : 967,258,580.88 = 276,438,513 : x - Step 2: Convert to fraction form
644,945,351.40/967,258,580.88 = 276,438,513/x - Step 3: Cross multiply
644,945,351.40x = 967,258,580.88 × 276,438,513 - Step 4: Simplify right side
644,945,351.40x = 267,387,523,784,957,440 - Step 5: Solve for x
x = 267,387,523,784,957,440/644,945,351.40 - Step 6: Final answer
x = 414,589,427.16
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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.