Finding the Fourth Proportional to 18,163,936,176.89, 27,245,128,037.15 and 6,213,257,149.62
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Solution
The fourth proportional to 18,163,936,176.89, 27,245,128,037.15 and 6,213,257,149.62 is: 9,319,620,203.49
Step by Step Solution
- Step 1: Write the proportion equation
18,163,936,176.89 : 27,245,128,037.15 = 6,213,257,149.62 : x - Step 2: Convert to fraction form
18,163,936,176.89/27,245,128,037.15 = 6,213,257,149.62/x - Step 3: Cross multiply
18,163,936,176.89x = 27,245,128,037.15 × 6,213,257,149.62 - Step 4: Simplify right side
18,163,936,176.89x = 169,280,986,568,973,484,032 - Step 5: Solve for x
x = 169,280,986,568,973,484,032/18,163,936,176.89 - Step 6: Final answer
x = 9,319,620,203.49
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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.