Finding the Fourth Proportional to 4,384,392,782.80, 6,576,589,174.20 and 1,112,841,986.80
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Solution
The fourth proportional to 4,384,392,782.80, 6,576,589,174.20 and 1,112,841,986.80 is: 1,669,262,980.20
Step by Step Solution
- Step 1: Write the proportion equation
4,384,392,782.80 : 6,576,589,174.20 = 1,112,841,986.80 : x - Step 2: Convert to fraction form
4,384,392,782.80/6,576,589,174.20 = 1,112,841,986.80/x - Step 3: Cross multiply
4,384,392,782.80x = 6,576,589,174.20 × 1,112,841,986.80 - Step 4: Simplify right side
4,384,392,782.80x = 7,318,704,562,984,098,816 - Step 5: Solve for x
x = 7,318,704,562,984,098,816/4,384,392,782.80 - Step 6: Final answer
x = 1,669,262,980.20
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1.5x scale
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.