Finding the Fourth Proportional to 4,942,090,338, 6,820,217,850.96 and 2,907,683,199.96
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Solution
The fourth proportional to 4,942,090,338, 6,820,217,850.96 and 2,907,683,199.96 is: 4,012,681,175.17
Step by Step Solution
- Step 1: Write the proportion equation
4,942,090,338 : 6,820,217,850.96 = 2,907,683,199.96 : x - Step 2: Convert to fraction form
4,942,090,338/6,820,217,850.96 = 2,907,683,199.96/x - Step 3: Cross multiply
4,942,090,338x = 6,820,217,850.96 × 2,907,683,199.96 - Step 4: Simplify right side
4,942,090,338x = 19,831,032,865,303,687,168 - Step 5: Solve for x
x = 19,831,032,865,303,687,168/4,942,090,338 - Step 6: Final answer
x = 4,012,681,175.17
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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.