Finding the Fourth Proportional to 27,455,556,766, 41,177,206,140.36 and 12,731,664,961.84
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Solution
The fourth proportional to 27,455,556,766, 41,177,206,140.36 and 12,731,664,961.84 is: 19,094,655,304.64
Step by Step Solution
- Step 1: Write the proportion equation
27,455,556,766 : 41,177,206,140.36 = 12,731,664,961.84 : x - Step 2: Convert to fraction form
27,455,556,766/41,177,206,140.36 = 12,731,664,961.84/x - Step 3: Cross multiply
27,455,556,766x = 41,177,206,140.36 × 12,731,664,961.84 - Step 4: Simplify right side
27,455,556,766x = 524,254,392,643,684,335,616 - Step 5: Solve for x
x = 524,254,392,643,684,335,616/27,455,556,766 - Step 6: Final answer
x = 19,094,655,304.64
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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.