Finding the Fourth Proportional to 481,207,067.70, 721,810,601.55 and 117,701,423.70
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Solution
The fourth proportional to 481,207,067.70, 721,810,601.55 and 117,701,423.70 is: 176,552,135.55
Step by Step Solution
- Step 1: Write the proportion equation
481,207,067.70 : 721,810,601.55 = 117,701,423.70 : x - Step 2: Convert to fraction form
481,207,067.70/721,810,601.55 = 117,701,423.70/x - Step 3: Cross multiply
481,207,067.70x = 721,810,601.55 × 117,701,423.70 - Step 4: Simplify right side
481,207,067.70x = 84,958,135,444,188,416 - Step 5: Solve for x
x = 84,958,135,444,188,416/481,207,067.70 - Step 6: Final answer
x = 176,552,135.55
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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.