Finding the Fourth Proportional to 13,450,930,840.93, 20,168,590,379.08 and 6,368,354,257.80
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Solution
The fourth proportional to 13,450,930,840.93, 20,168,590,379.08 and 6,368,354,257.80 is: 9,548,835,685.31
Step by Step Solution
- Step 1: Write the proportion equation
13,450,930,840.93 : 20,168,590,379.08 = 6,368,354,257.80 : x - Step 2: Convert to fraction form
13,450,930,840.93/20,168,590,379.08 = 6,368,354,257.80/x - Step 3: Cross multiply
13,450,930,840.93x = 20,168,590,379.08 × 6,368,354,257.80 - Step 4: Simplify right side
13,450,930,840.93x = 128,440,728,414,493,442,048 - Step 5: Solve for x
x = 128,440,728,414,493,442,048/13,450,930,840.93 - Step 6: Final answer
x = 9,548,835,685.31
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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.