Finding the Fourth Proportional to 269,583,925,640.47, 372,037,511,742.89 and 149,289,863,805.99
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Solution
The fourth proportional to 269,583,925,640.47, 372,037,511,742.89 and 149,289,863,805.99 is: 206,026,488,140.43
Step by Step Solution
- Step 1: Write the proportion equation
269,583,925,640.47 : 372,037,511,742.89 = 149,289,863,805.99 : x - Step 2: Convert to fraction form
269,583,925,640.47/372,037,511,742.89 = 149,289,863,805.99/x - Step 3: Cross multiply
269,583,925,640.47x = 372,037,511,742.89 × 149,289,863,805.99 - Step 4: Simplify right side
269,583,925,640.47x = 55,541,429,458,815,454,019,584 - Step 5: Solve for x
x = 55,541,429,458,815,454,019,584/269,583,925,640.47 - Step 6: Final answer
x = 206,026,488,140.43
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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.