Finding the Fourth Proportional to 1,554,977,321.70, 2,332,465,982.55 and 1,452,940,649.70
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Solution
The fourth proportional to 1,554,977,321.70, 2,332,465,982.55 and 1,452,940,649.70 is: 2,179,410,974.55
Step by Step Solution
- Step 1: Write the proportion equation
1,554,977,321.70 : 2,332,465,982.55 = 1,452,940,649.70 : x - Step 2: Convert to fraction form
1,554,977,321.70/2,332,465,982.55 = 1,452,940,649.70/x - Step 3: Cross multiply
1,554,977,321.70x = 2,332,465,982.55 × 1,452,940,649.70 - Step 4: Simplify right side
1,554,977,321.70x = 3,388,934,640,089,346,048 - Step 5: Solve for x
x = 3,388,934,640,089,346,048/1,554,977,321.70 - Step 6: Final answer
x = 2,179,410,974.55
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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.