Finding the Fourth Proportional to 5,878,916,239.44, 8,112,890,205.90 and 3,202,718,410.32
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Solution
The fourth proportional to 5,878,916,239.44, 8,112,890,205.90 and 3,202,718,410.32 is: 4,419,743,667.89
Step by Step Solution
- Step 1: Write the proportion equation
5,878,916,239.44 : 8,112,890,205.90 = 3,202,718,410.32 : x - Step 2: Convert to fraction form
5,878,916,239.44/8,112,890,205.90 = 3,202,718,410.32/x - Step 3: Cross multiply
5,878,916,239.44x = 8,112,890,205.90 × 3,202,718,410.32 - Step 4: Simplify right side
5,878,916,239.44x = 25,983,302,823,340,744,704 - Step 5: Solve for x
x = 25,983,302,823,340,744,704/5,878,916,239.44 - Step 6: Final answer
x = 4,419,743,667.89
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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.