Finding the Fourth Proportional to 12,051,715,644.36, 18,077,239,292.94 and 3,208,630,366.44
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Solution
The fourth proportional to 12,051,715,644.36, 18,077,239,292.94 and 3,208,630,366.44 is: 4,812,856,579.79
Step by Step Solution
- Step 1: Write the proportion equation
12,051,715,644.36 : 18,077,239,292.94 = 3,208,630,366.44 : x - Step 2: Convert to fraction form
12,051,715,644.36/18,077,239,292.94 = 3,208,630,366.44/x - Step 3: Cross multiply
12,051,715,644.36x = 18,077,239,292.94 × 3,208,630,366.44 - Step 4: Simplify right side
12,051,715,644.36x = 58,003,178,936,729,632,768 - Step 5: Solve for x
x = 58,003,178,936,729,632,768/12,051,715,644.36 - Step 6: Final answer
x = 4,812,856,579.79
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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.