Finding the Fourth Proportional to 1,609,632,029.80, 2,414,448,044.70 and 1,318,827,514.60
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Solution
The fourth proportional to 1,609,632,029.80, 2,414,448,044.70 and 1,318,827,514.60 is: 1,978,241,271.90
Step by Step Solution
- Step 1: Write the proportion equation
1,609,632,029.80 : 2,414,448,044.70 = 1,318,827,514.60 : x - Step 2: Convert to fraction form
1,609,632,029.80/2,414,448,044.70 = 1,318,827,514.60/x - Step 3: Cross multiply
1,609,632,029.80x = 2,414,448,044.70 × 1,318,827,514.60 - Step 4: Simplify right side
1,609,632,029.80x = 3,184,240,513,922,530,304 - Step 5: Solve for x
x = 3,184,240,513,922,530,304/1,609,632,029.80 - Step 6: Final answer
x = 1,978,241,271.90
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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.