Finding the Fourth Proportional to 8,855,980,652.72, 13,288,874,179.08 and 5,305,998,288.08
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Solution
The fourth proportional to 8,855,980,652.72, 13,288,874,179.08 and 5,305,998,288.08 is: 7,961,935,149.79
Step by Step Solution
- Step 1: Write the proportion equation
8,855,980,652.72 : 13,288,874,179.08 = 5,305,998,288.08 : x - Step 2: Convert to fraction form
8,855,980,652.72/13,288,874,179.08 = 5,305,998,288.08/x - Step 3: Cross multiply
8,855,980,652.72x = 13,288,874,179.08 × 5,305,998,288.08 - Step 4: Simplify right side
8,855,980,652.72x = 70,510,743,644,708,995,072 - Step 5: Solve for x
x = 70,510,743,644,708,995,072/8,855,980,652.72 - Step 6: Final answer
x = 7,961,935,149.79
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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.