Finding the Fourth Proportional to 751,257,408.38, 1,126,886,147.62 and 514,673,638.68
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Solution
The fourth proportional to 751,257,408.38, 1,126,886,147.62 and 514,673,638.68 is: 772,010,482.03
Step by Step Solution
- Step 1: Write the proportion equation
751,257,408.38 : 1,126,886,147.62 = 514,673,638.68 : x - Step 2: Convert to fraction form
751,257,408.38/1,126,886,147.62 = 514,673,638.68/x - Step 3: Cross multiply
751,257,408.38x = 1,126,886,147.62 × 514,673,638.68 - Step 4: Simplify right side
751,257,408.38x = 579,978,593,973,672,960 - Step 5: Solve for x
x = 579,978,593,973,672,960/751,257,408.38 - Step 6: Final answer
x = 772,010,482.03
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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.