Finding the Fourth Proportional to 8,957,397,979.36, 12,361,214,532.72 and 4,997,099,651.68
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Solution
The fourth proportional to 8,957,397,979.36, 12,361,214,532.72 and 4,997,099,651.68 is: 6,896,000,487.88
Step by Step Solution
- Step 1: Write the proportion equation
8,957,397,979.36 : 12,361,214,532.72 = 4,997,099,651.68 : x - Step 2: Convert to fraction form
8,957,397,979.36/12,361,214,532.72 = 4,997,099,651.68/x - Step 3: Cross multiply
8,957,397,979.36x = 12,361,214,532.72 × 4,997,099,651.68 - Step 4: Simplify right side
8,957,397,979.36x = 61,770,220,835,796,869,120 - Step 5: Solve for x
x = 61,770,220,835,796,869,120/8,957,397,979.36 - Step 6: Final answer
x = 6,896,000,487.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.