Finding the Fourth Proportional to 3,794,438,848.76, 5,236,489,247.40 and 2,100,893,525.90
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Solution
The fourth proportional to 3,794,438,848.76, 5,236,489,247.40 and 2,100,893,525.90 is: 2,899,323,667.29
Step by Step Solution
- Step 1: Write the proportion equation
3,794,438,848.76 : 5,236,489,247.40 = 2,100,893,525.90 : x - Step 2: Convert to fraction form
3,794,438,848.76/5,236,489,247.40 = 2,100,893,525.90/x - Step 3: Cross multiply
3,794,438,848.76x = 5,236,489,247.40 × 2,100,893,525.90 - Step 4: Simplify right side
3,794,438,848.76x = 11,001,306,358,307,622,912 - Step 5: Solve for x
x = 11,001,306,358,307,622,912/3,794,438,848.76 - Step 6: Final answer
x = 2,899,323,667.29
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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.