Finding the Fourth Proportional to 5,420,612,708.32, 8,121,299,771.76 and 2,265,873,023.20
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Solution
The fourth proportional to 5,420,612,708.32, 8,121,299,771.76 and 2,265,873,023.20 is: 3,394,788,570.29
Step by Step Solution
- Step 1: Write the proportion equation
5,420,612,708.32 : 8,121,299,771.76 = 2,265,873,023.20 : x - Step 2: Convert to fraction form
5,420,612,708.32/8,121,299,771.76 = 2,265,873,023.20/x - Step 3: Cross multiply
5,420,612,708.32x = 8,121,299,771.76 × 2,265,873,023.20 - Step 4: Simplify right side
5,420,612,708.32x = 18,401,834,066,151,301,120 - Step 5: Solve for x
x = 18,401,834,066,151,301,120/5,420,612,708.32 - Step 6: Final answer
x = 3,394,788,570.29
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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.