Finding the Fourth Proportional to 6,964,203,688.26, 10,447,919,344.23 and 1,989,990,329.98
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Solution
The fourth proportional to 6,964,203,688.26, 10,447,919,344.23 and 1,989,990,329.98 is: 2,985,446,634.55
Step by Step Solution
- Step 1: Write the proportion equation
6,964,203,688.26 : 10,447,919,344.23 = 1,989,990,329.98 : x - Step 2: Convert to fraction form
6,964,203,688.26/10,447,919,344.23 = 1,989,990,329.98/x - Step 3: Cross multiply
6,964,203,688.26x = 10,447,919,344.23 × 1,989,990,329.98 - Step 4: Simplify right side
6,964,203,688.26x = 20,791,258,463,428,681,728 - Step 5: Solve for x
x = 20,791,258,463,428,681,728/6,964,203,688.26 - Step 6: Final answer
x = 2,985,446,634.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.