Finding the Fourth Proportional to 3,831,006,079.04, 5,286,942,161.16 and 2,137,608,636.80
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Solution
The fourth proportional to 3,831,006,079.04, 5,286,942,161.16 and 2,137,608,636.80 is: 2,949,985,719.88
Step by Step Solution
- Step 1: Write the proportion equation
3,831,006,079.04 : 5,286,942,161.16 = 2,137,608,636.80 : x - Step 2: Convert to fraction form
3,831,006,079.04/5,286,942,161.16 = 2,137,608,636.80/x - Step 3: Cross multiply
3,831,006,079.04x = 5,286,942,161.16 × 2,137,608,636.80 - Step 4: Simplify right side
3,831,006,079.04x = 11,301,413,225,957,672,960 - Step 5: Solve for x
x = 11,301,413,225,957,672,960/3,831,006,079.04 - Step 6: Final answer
x = 2,949,985,719.88
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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.