Finding the Fourth Proportional to 4,801,782,617.75, 6,626,317,693.67 and 2,658,484,801.49
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Solution
The fourth proportional to 4,801,782,617.75, 6,626,317,693.67 and 2,658,484,801.49 is: 3,668,630,231.89
Step by Step Solution
- Step 1: Write the proportion equation
4,801,782,617.75 : 6,626,317,693.67 = 2,658,484,801.49 : x - Step 2: Convert to fraction form
4,801,782,617.75/6,626,317,693.67 = 2,658,484,801.49/x - Step 3: Cross multiply
4,801,782,617.75x = 6,626,317,693.67 × 2,658,484,801.49 - Step 4: Simplify right side
4,801,782,617.75x = 17,615,964,878,419,542,016 - Step 5: Solve for x
x = 17,615,964,878,419,542,016/4,801,782,617.75 - Step 6: Final answer
x = 3,668,630,231.89
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1.5x scale
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.