Finding the Fourth Proportional to 2,227,691,549.75, 3,341,537,943.84 and 828,493,005.65
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Solution
The fourth proportional to 2,227,691,549.75, 3,341,537,943.84 and 828,493,005.65 is: 1,242,739,738.76
Step by Step Solution
- Step 1: Write the proportion equation
2,227,691,549.75 : 3,341,537,943.84 = 828,493,005.65 : x - Step 2: Convert to fraction form
2,227,691,549.75/3,341,537,943.84 = 828,493,005.65/x - Step 3: Cross multiply
2,227,691,549.75x = 3,341,537,943.84 × 828,493,005.65 - Step 4: Simplify right side
2,227,691,549.75x = 2,768,440,814,568,815,104 - Step 5: Solve for x
x = 2,768,440,814,568,815,104/2,227,691,549.75 - Step 6: Final answer
x = 1,242,739,738.76
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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.