Finding the Fourth Proportional to 751,257,408.41, 1,126,886,147.66 and 514,673,638.70
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Solution
The fourth proportional to 751,257,408.41, 1,126,886,147.66 and 514,673,638.70 is: 772,010,482.06
Step by Step Solution
- Step 1: Write the proportion equation
751,257,408.41 : 1,126,886,147.66 = 514,673,638.70 : x - Step 2: Convert to fraction form
751,257,408.41/1,126,886,147.66 = 514,673,638.70/x - Step 3: Cross multiply
751,257,408.41x = 1,126,886,147.66 × 514,673,638.70 - Step 4: Simplify right side
751,257,408.41x = 579,978,594,016,797,696 - Step 5: Solve for x
x = 579,978,594,016,797,696/751,257,408.41 - Step 6: Final answer
x = 772,010,482.06
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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.