Finding the Fourth Proportional to 4,629,155,412, 6,388,236,956.88 and 2,543,206,709.28
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Solution
The fourth proportional to 4,629,155,412, 6,388,236,956.88 and 2,543,206,709.28 is: 3,509,626,625.86
Step by Step Solution
- Step 1: Write the proportion equation
4,629,155,412 : 6,388,236,956.88 = 2,543,206,709.28 : x - Step 2: Convert to fraction form
4,629,155,412/6,388,236,956.88 = 2,543,206,709.28/x - Step 3: Cross multiply
4,629,155,412x = 6,388,236,956.88 × 2,543,206,709.28 - Step 4: Simplify right side
4,629,155,412x = 16,246,607,089,207,666,688 - Step 5: Solve for x
x = 16,246,607,089,207,666,688/4,629,155,412 - Step 6: Final answer
x = 3,509,626,625.86
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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.