Finding the Fourth Proportional to 7,881,458,072.92, 10,876,405,113.83 and 4,448,878,904.26
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Solution
The fourth proportional to 7,881,458,072.92, 10,876,405,113.83 and 4,448,878,904.26 is: 6,139,448,921.43
Step by Step Solution
- Step 1: Write the proportion equation
7,881,458,072.92 : 10,876,405,113.83 = 4,448,878,904.26 : x - Step 2: Convert to fraction form
7,881,458,072.92/10,876,405,113.83 = 4,448,878,904.26/x - Step 3: Cross multiply
7,881,458,072.92x = 10,876,405,113.83 × 4,448,878,904.26 - Step 4: Simplify right side
7,881,458,072.92x = 48,387,809,265,103,872,000 - Step 5: Solve for x
x = 48,387,809,265,103,872,000/7,881,458,072.92 - Step 6: Final answer
x = 6,139,448,921.43
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1.5x scale
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.