Finding the Fourth Proportional to 5,192,757,557.35, 7,789,196,172.35 and 1,876,823,958.31
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Solution
The fourth proportional to 5,192,757,557.35, 7,789,196,172.35 and 1,876,823,958.31 is: 2,815,257,564.17
Step by Step Solution
- Step 1: Write the proportion equation
5,192,757,557.35 : 7,789,196,172.35 = 1,876,823,958.31 : x - Step 2: Convert to fraction form
5,192,757,557.35/7,789,196,172.35 = 1,876,823,958.31/x - Step 3: Cross multiply
5,192,757,557.35x = 7,789,196,172.35 × 1,876,823,958.31 - Step 4: Simplify right side
5,192,757,557.35x = 14,618,949,992,243,027,968 - Step 5: Solve for x
x = 14,618,949,992,243,027,968/5,192,757,557.35 - Step 6: Final answer
x = 2,815,257,564.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.