Finding the Fourth Proportional to 8,857,567,769.88, 13,286,364,442.12 and 3,617,175,979.71
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Solution
The fourth proportional to 8,857,567,769.88, 13,286,364,442.12 and 3,617,175,979.71 is: 5,425,769,191.53
Step by Step Solution
- Step 1: Write the proportion equation
8,857,567,769.88 : 13,286,364,442.12 = 3,617,175,979.71 : x - Step 2: Convert to fraction form
8,857,567,769.88/13,286,364,442.12 = 3,617,175,979.71/x - Step 3: Cross multiply
8,857,567,769.88x = 13,286,364,442.12 × 3,617,175,979.71 - Step 4: Simplify right side
8,857,567,769.88x = 48,059,118,317,709,524,992 - Step 5: Solve for x
x = 48,059,118,317,709,524,992/8,857,567,769.88 - Step 6: Final answer
x = 5,425,769,191.53
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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.