Finding the Fourth Proportional to 1,498,461,858,840.60, 2,067,823,861,656.20 and 848,126,479,578.88
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Solution
The fourth proportional to 1,498,461,858,840.60, 2,067,823,861,656.20 and 848,126,479,578.88 is: 1,170,384,258,917.76
Step by Step Solution
- Step 1: Write the proportion equation
1,498,461,858,840.60 : 2,067,823,861,656.20 = 848,126,479,578.88 : x - Step 2: Convert to fraction form
1,498,461,858,840.60/2,067,823,861,656.20 = 848,126,479,578.88/x - Step 3: Cross multiply
1,498,461,858,840.60x = 2,067,823,861,656.20 × 848,126,479,578.88 - Step 4: Simplify right side
1,498,461,858,840.60x = 1,753,776,172,175,677,817,094,144 - Step 5: Solve for x
x = 1,753,776,172,175,677,817,094,144/1,498,461,858,840.60 - Step 6: Final answer
x = 1,170,384,258,917.76
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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.