Finding the Fourth Proportional to 874,440,034.14, 1,311,889,774.91 and 314,258,422.17
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Solution
The fourth proportional to 874,440,034.14, 1,311,889,774.91 and 314,258,422.17 is: 471,470,191.92
Step by Step Solution
- Step 1: Write the proportion equation
874,440,034.14 : 1,311,889,774.91 = 314,258,422.17 : x - Step 2: Convert to fraction form
874,440,034.14/1,311,889,774.91 = 314,258,422.17/x - Step 3: Cross multiply
874,440,034.14x = 1,311,889,774.91 × 314,258,422.17 - Step 4: Simplify right side
874,440,034.14x = 412,272,410,722,601,792 - Step 5: Solve for x
x = 412,272,410,722,601,792/874,440,034.14 - Step 6: Final answer
x = 471,470,191.92
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1.5x scale
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.