Finding the Fourth Proportional to 8,491,802,936.80, 11,718,723,448.67 and 4,681,242,175.39
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Solution
The fourth proportional to 8,491,802,936.80, 11,718,723,448.67 and 4,681,242,175.39 is: 6,460,133,714.59
Step by Step Solution
- Step 1: Write the proportion equation
8,491,802,936.80 : 11,718,723,448.67 = 4,681,242,175.39 : x - Step 2: Convert to fraction form
8,491,802,936.80/11,718,723,448.67 = 4,681,242,175.39/x - Step 3: Cross multiply
8,491,802,936.80x = 11,718,723,448.67 × 4,681,242,175.39 - Step 4: Simplify right side
8,491,802,936.80x = 54,858,182,449,645,756,416 - Step 5: Solve for x
x = 54,858,182,449,645,756,416/8,491,802,936.80 - Step 6: Final answer
x = 6,460,133,714.59
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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.