Finding the Fourth Proportional to 11,568,168,943, 15,962,957,645.34 and 6,487,739,128.60
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Solution
The fourth proportional to 11,568,168,943, 15,962,957,645.34 and 6,487,739,128.60 is: 8,952,454,397.42
Step by Step Solution
- Step 1: Write the proportion equation
11,568,168,943 : 15,962,957,645.34 = 6,487,739,128.60 : x - Step 2: Convert to fraction form
11,568,168,943/15,962,957,645.34 = 6,487,739,128.60/x - Step 3: Cross multiply
11,568,168,943x = 15,962,957,645.34 × 6,487,739,128.60 - Step 4: Simplify right side
11,568,168,943x = 103,563,504,923,856,846,848 - Step 5: Solve for x
x = 103,563,504,923,856,846,848/11,568,168,943 - Step 6: Final answer
x = 8,952,454,397.42
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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.