Finding the Fourth Proportional to 1,778,512,222.55, 2,453,542,052.81 and 1,073,438,819.03
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Solution
The fourth proportional to 1,778,512,222.55, 2,453,542,052.81 and 1,073,438,819.03 is: 1,480,859,816.55
Step by Step Solution
- Step 1: Write the proportion equation
1,778,512,222.55 : 2,453,542,052.81 = 1,073,438,819.03 : x - Step 2: Convert to fraction form
1,778,512,222.55/2,453,542,052.81 = 1,073,438,819.03/x - Step 3: Cross multiply
1,778,512,222.55x = 2,453,542,052.81 × 1,073,438,819.03 - Step 4: Simplify right side
1,778,512,222.55x = 2,633,727,283,617,625,600 - Step 5: Solve for x
x = 2,633,727,283,617,625,600/1,778,512,222.55 - Step 6: Final answer
x = 1,480,859,816.55
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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.