Finding the Fourth Proportional to 307,260,877.10, 424,058,744.25 and 201,503,232.36
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Solution
The fourth proportional to 307,260,877.10, 424,058,744.25 and 201,503,232.36 is: 278,099,862.52
Step by Step Solution
- Step 1: Write the proportion equation
307,260,877.10 : 424,058,744.25 = 201,503,232.36 : x - Step 2: Convert to fraction form
307,260,877.10/424,058,744.25 = 201,503,232.36/x - Step 3: Cross multiply
307,260,877.10x = 424,058,744.25 × 201,503,232.36 - Step 4: Simplify right side
307,260,877.10x = 85,449,207,676,897,568 - Step 5: Solve for x
x = 85,449,207,676,897,568/307,260,877.10 - Step 6: Final answer
x = 278,099,862.52
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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.