Finding the Fourth Proportional to 6,912,603,443.39, 10,367,735,657.85 and 1,937,180,198.79
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Solution
The fourth proportional to 6,912,603,443.39, 10,367,735,657.85 and 1,937,180,198.79 is: 2,905,442,556.80
Step by Step Solution
- Step 1: Write the proportion equation
6,912,603,443.39 : 10,367,735,657.85 = 1,937,180,198.79 : x - Step 2: Convert to fraction form
6,912,603,443.39/10,367,735,657.85 = 1,937,180,198.79/x - Step 3: Cross multiply
6,912,603,443.39x = 10,367,735,657.85 × 1,937,180,198.79 - Step 4: Simplify right side
6,912,603,443.39x = 20,084,172,222,676,033,536 - Step 5: Solve for x
x = 20,084,172,222,676,033,536/6,912,603,443.39 - Step 6: Final answer
x = 2,905,442,556.80
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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.