Finding the Fourth Proportional to 762,542,259.93, 1,052,250,568.17 and 427,950,161.75
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Solution
The fourth proportional to 762,542,259.93, 1,052,250,568.17 and 427,950,161.75 is: 590,538,812.74
Step by Step Solution
- Step 1: Write the proportion equation
762,542,259.93 : 1,052,250,568.17 = 427,950,161.75 : x - Step 2: Convert to fraction form
762,542,259.93/1,052,250,568.17 = 427,950,161.75/x - Step 3: Cross multiply
762,542,259.93x = 1,052,250,568.17 × 427,950,161.75 - Step 4: Simplify right side
762,542,259.93x = 450,310,800,844,619,648 - Step 5: Solve for x
x = 450,310,800,844,619,648/762,542,259.93 - Step 6: Final answer
x = 590,538,812.74
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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.