Finding the Fourth Proportional to 8,338,968,781.27, 12,508,442,608.74 and 2,128,134,206.41
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Solution
The fourth proportional to 8,338,968,781.27, 12,508,442,608.74 and 2,128,134,206.41 is: 3,192,198,613.86
Step by Step Solution
- Step 1: Write the proportion equation
8,338,968,781.27 : 12,508,442,608.74 = 2,128,134,206.41 : x - Step 2: Convert to fraction form
8,338,968,781.27/12,508,442,608.74 = 2,128,134,206.41/x - Step 3: Cross multiply
8,338,968,781.27x = 12,508,442,608.74 × 2,128,134,206.41 - Step 4: Simplify right side
8,338,968,781.27x = 26,619,644,584,575,930,368 - Step 5: Solve for x
x = 26,619,644,584,575,930,368/8,338,968,781.27 - Step 6: Final answer
x = 3,192,198,613.86
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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.