Finding the Fourth Proportional to 3,990,758,776.08, 5,504,652,164.39 and 2,559,562,959.03
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Solution
The fourth proportional to 3,990,758,776.08, 5,504,652,164.39 and 2,559,562,959.03 is: 3,530,532,556.05
Step by Step Solution
- Step 1: Write the proportion equation
3,990,758,776.08 : 5,504,652,164.39 = 2,559,562,959.03 : x - Step 2: Convert to fraction form
3,990,758,776.08/5,504,652,164.39 = 2,559,562,959.03/x - Step 3: Cross multiply
3,990,758,776.08x = 5,504,652,164.39 × 2,559,562,959.03 - Step 4: Simplify right side
3,990,758,776.08x = 14,089,503,782,304,165,888 - Step 5: Solve for x
x = 14,089,503,782,304,165,888/3,990,758,776.08 - Step 6: Final answer
x = 3,530,532,556.05
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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.