Finding the Fourth Proportional to 1,546,858,372.14, 2,134,716,115.60 and 868,794,813.90
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Solution
The fourth proportional to 1,546,858,372.14, 2,134,716,115.60 and 868,794,813.90 is: 1,198,965,803.07
Step by Step Solution
- Step 1: Write the proportion equation
1,546,858,372.14 : 2,134,716,115.60 = 868,794,813.90 : x - Step 2: Convert to fraction form
1,546,858,372.14/2,134,716,115.60 = 868,794,813.90/x - Step 3: Cross multiply
1,546,858,372.14x = 2,134,716,115.60 × 868,794,813.90 - Step 4: Simplify right side
1,546,858,372.14x = 1,854,630,290,382,032,640 - Step 5: Solve for x
x = 1,854,630,290,382,032,640/1,546,858,372.14 - Step 6: Final answer
x = 1,198,965,803.07
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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.