Finding the Fourth Proportional to 13,986,949,245.68, 19,303,958,720.94 and 8,904,689,733.08
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Solution
The fourth proportional to 13,986,949,245.68, 19,303,958,720.94 and 8,904,689,733.08 is: 12,289,725,229.63
Step by Step Solution
- Step 1: Write the proportion equation
13,986,949,245.68 : 19,303,958,720.94 = 8,904,689,733.08 : x - Step 2: Convert to fraction form
13,986,949,245.68/19,303,958,720.94 = 8,904,689,733.08/x - Step 3: Cross multiply
13,986,949,245.68x = 19,303,958,720.94 × 8,904,689,733.08 - Step 4: Simplify right side
13,986,949,245.68x = 171,895,763,030,176,104,448 - Step 5: Solve for x
x = 171,895,763,030,176,104,448/13,986,949,245.68 - Step 6: Final answer
x = 12,289,725,229.63
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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.