Finding the Fourth Proportional to 7,485,896,611.54, 11,230,567,007.55 and 2,512,278,467.20
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Solution
The fourth proportional to 7,485,896,611.54, 11,230,567,007.55 and 2,512,278,467.20 is: 3,768,995,636.94
Step by Step Solution
- Step 1: Write the proportion equation
7,485,896,611.54 : 11,230,567,007.55 = 2,512,278,467.20 : x - Step 2: Convert to fraction form
7,485,896,611.54/11,230,567,007.55 = 2,512,278,467.20/x - Step 3: Cross multiply
7,485,896,611.54x = 11,230,567,007.55 × 2,512,278,467.20 - Step 4: Simplify right side
7,485,896,611.54x = 28,214,311,667,514,601,472 - Step 5: Solve for x
x = 28,214,311,667,514,601,472/7,485,896,611.54 - Step 6: Final answer
x = 3,768,995,636.94
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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.