Finding the Fourth Proportional to 2,907,192,882.14, 4,011,905,768.55 and 1,587,093,438.14
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Solution
The fourth proportional to 2,907,192,882.14, 4,011,905,768.55 and 1,587,093,438.14 is: 2,190,177,803.07
Step by Step Solution
- Step 1: Write the proportion equation
2,907,192,882.14 : 4,011,905,768.55 = 1,587,093,438.14 : x - Step 2: Convert to fraction form
2,907,192,882.14/4,011,905,768.55 = 1,587,093,438.14/x - Step 3: Cross multiply
2,907,192,882.14x = 4,011,905,768.55 × 1,587,093,438.14 - Step 4: Simplify right side
2,907,192,882.14x = 6,367,269,319,701,719,040 - Step 5: Solve for x
x = 6,367,269,319,701,719,040/2,907,192,882.14 - Step 6: Final answer
x = 2,190,177,803.07
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1.5x scale
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.