Finding the Fourth Proportional to 3,895,916,748.36, 5,376,221,023.74 and 2,111,731,893.96
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Solution
The fourth proportional to 3,895,916,748.36, 5,376,221,023.74 and 2,111,731,893.96 is: 2,914,111,912.07
Step by Step Solution
- Step 1: Write the proportion equation
3,895,916,748.36 : 5,376,221,023.74 = 2,111,731,893.96 : x - Step 2: Convert to fraction form
3,895,916,748.36/5,376,221,023.74 = 2,111,731,893.96/x - Step 3: Cross multiply
3,895,916,748.36x = 5,376,221,023.74 × 2,111,731,893.96 - Step 4: Simplify right side
3,895,916,748.36x = 11,353,137,404,810,039,296 - Step 5: Solve for x
x = 11,353,137,404,810,039,296/3,895,916,748.36 - Step 6: Final answer
x = 2,914,111,912.07
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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.