Finding the Fourth Proportional to 1,784,801,453.28, 2,460,430,121.52 and 1,247,284,274.64
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Solution
The fourth proportional to 1,784,801,453.28, 2,460,430,121.52 and 1,247,284,274.64 is: 1,719,438,200.69
Step by Step Solution
- Step 1: Write the proportion equation
1,784,801,453.28 : 2,460,430,121.52 = 1,247,284,274.64 : x - Step 2: Convert to fraction form
1,784,801,453.28/2,460,430,121.52 = 1,247,284,274.64/x - Step 3: Cross multiply
1,784,801,453.28x = 2,460,430,121.52 × 1,247,284,274.64 - Step 4: Simplify right side
1,784,801,453.28x = 3,068,855,799,422,480,384 - Step 5: Solve for x
x = 3,068,855,799,422,480,384/1,784,801,453.28 - Step 6: Final answer
x = 1,719,438,200.69
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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.