Finding the Fourth Proportional to 7,794,514,611.45, 11,691,771,917.18 and 4,687,497,949.05
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Solution
The fourth proportional to 7,794,514,611.45, 11,691,771,917.18 and 4,687,497,949.05 is: 7,031,246,923.58
Step by Step Solution
- Step 1: Write the proportion equation
7,794,514,611.45 : 11,691,771,917.18 = 4,687,497,949.05 : x - Step 2: Convert to fraction form
7,794,514,611.45/11,691,771,917.18 = 4,687,497,949.05/x - Step 3: Cross multiply
7,794,514,611.45x = 11,691,771,917.18 × 4,687,497,949.05 - Step 4: Simplify right side
7,794,514,611.45x = 54,805,156,882,518,196,224 - Step 5: Solve for x
x = 54,805,156,882,518,196,224/7,794,514,611.45 - Step 6: Final answer
x = 7,031,246,923.58
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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.