Finding the Fourth Proportional to 7,881,458,066.76, 10,876,405,105.29 and 4,448,878,898.08
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Solution
The fourth proportional to 7,881,458,066.76, 10,876,405,105.29 and 4,448,878,898.08 is: 6,139,448,912.88
Step by Step Solution
- Step 1: Write the proportion equation
7,881,458,066.76 : 10,876,405,105.29 = 4,448,878,898.08 : x - Step 2: Convert to fraction form
7,881,458,066.76/10,876,405,105.29 = 4,448,878,898.08/x - Step 3: Cross multiply
7,881,458,066.76x = 10,876,405,105.29 × 4,448,878,898.08 - Step 4: Simplify right side
7,881,458,066.76x = 48,387,809,159,839,883,264 - Step 5: Solve for x
x = 48,387,809,159,839,883,264/7,881,458,066.76 - Step 6: Final answer
x = 6,139,448,912.88
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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.