Finding the Fourth Proportional to 759,010,176.01, 1,138,540,465.82 and 261,015,805.09
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Solution
The fourth proportional to 759,010,176.01, 1,138,540,465.82 and 261,015,805.09 is: 391,532,374.28
Step by Step Solution
- Step 1: Write the proportion equation
759,010,176.01 : 1,138,540,465.82 = 261,015,805.09 : x - Step 2: Convert to fraction form
759,010,176.01/1,138,540,465.82 = 261,015,805.09/x - Step 3: Cross multiply
759,010,176.01x = 1,138,540,465.82 × 261,015,805.09 - Step 4: Simplify right side
759,010,176.01x = 297,177,056,313,550,912 - Step 5: Solve for x
x = 297,177,056,313,550,912/759,010,176.01 - Step 6: Final answer
x = 391,532,374.28
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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.