Finding the Fourth Proportional to 3,070,145,768.58, 4,236,801,052.05 and 1,660,449,697.38
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Solution
The fourth proportional to 3,070,145,768.58, 4,236,801,052.05 and 1,660,449,697.38 is: 2,291,420,523.65
Step by Step Solution
- Step 1: Write the proportion equation
3,070,145,768.58 : 4,236,801,052.05 = 1,660,449,697.38 : x - Step 2: Convert to fraction form
3,070,145,768.58/4,236,801,052.05 = 1,660,449,697.38/x - Step 3: Cross multiply
3,070,145,768.58x = 4,236,801,052.05 × 1,660,449,697.38 - Step 4: Simplify right side
3,070,145,768.58x = 7,034,995,024,735,688,704 - Step 5: Solve for x
x = 7,034,995,024,735,688,704/3,070,145,768.58 - Step 6: Final answer
x = 2,291,420,523.65
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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.