Finding the Fourth Proportional to 1,417,177,688.40, 2,125,766,532.60 and 979,553,739.60
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Solution
The fourth proportional to 1,417,177,688.40, 2,125,766,532.60 and 979,553,739.60 is: 1,469,330,609.40
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,688.40 : 2,125,766,532.60 = 979,553,739.60 : x - Step 2: Convert to fraction form
1,417,177,688.40/2,125,766,532.60 = 979,553,739.60/x - Step 3: Cross multiply
1,417,177,688.40x = 2,125,766,532.60 × 979,553,739.60 - Step 4: Simplify right side
1,417,177,688.40x = 2,082,302,556,524,855,296 - Step 5: Solve for x
x = 2,082,302,556,524,855,296/1,417,177,688.40 - Step 6: Final answer
x = 1,469,330,609.40
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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.