Finding the Fourth Proportional to 4,719,962,791.68, 6,513,525,942.30 and 2,605,400,239.38
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Solution
The fourth proportional to 4,719,962,791.68, 6,513,525,942.30 and 2,605,400,239.38 is: 3,595,439,794.40
Step by Step Solution
- Step 1: Write the proportion equation
4,719,962,791.68 : 6,513,525,942.30 = 2,605,400,239.38 : x - Step 2: Convert to fraction form
4,719,962,791.68/6,513,525,942.30 = 2,605,400,239.38/x - Step 3: Cross multiply
4,719,962,791.68x = 6,513,525,942.30 × 2,605,400,239.38 - Step 4: Simplify right side
4,719,962,791.68x = 16,970,342,049,276,260,352 - Step 5: Solve for x
x = 16,970,342,049,276,260,352/4,719,962,791.68 - Step 6: Final answer
x = 3,595,439,794.40
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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.