Finding the Fourth Proportional to 1,725,906,800.59, 2,588,576,765.68 and 743,068,738.15
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Solution
The fourth proportional to 1,725,906,800.59, 2,588,576,765.68 and 743,068,738.15 is: 1,114,481,077.55
Step by Step Solution
- Step 1: Write the proportion equation
1,725,906,800.59 : 2,588,576,765.68 = 743,068,738.15 : x - Step 2: Convert to fraction form
1,725,906,800.59/2,588,576,765.68 = 743,068,738.15/x - Step 3: Cross multiply
1,725,906,800.59x = 2,588,576,765.68 × 743,068,738.15 - Step 4: Simplify right side
1,725,906,800.59x = 1,923,490,470,878,245,632 - Step 5: Solve for x
x = 1,923,490,470,878,245,632/1,725,906,800.59 - Step 6: Final answer
x = 1,114,481,077.55
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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.