Finding the Fourth Proportional to 6,898,204,048.90, 10,347,306,073.35 and 1,991,037,943.30
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Solution
The fourth proportional to 6,898,204,048.90, 10,347,306,073.35 and 1,991,037,943.30 is: 2,986,556,914.95
Step by Step Solution
- Step 1: Write the proportion equation
6,898,204,048.90 : 10,347,306,073.35 = 1,991,037,943.30 : x - Step 2: Convert to fraction form
6,898,204,048.90/10,347,306,073.35 = 1,991,037,943.30/x - Step 3: Cross multiply
6,898,204,048.90x = 10,347,306,073.35 × 1,991,037,943.30 - Step 4: Simplify right side
6,898,204,048.90x = 20,601,879,002,978,381,824 - Step 5: Solve for x
x = 20,601,879,002,978,381,824/6,898,204,048.90 - Step 6: Final answer
x = 2,986,556,914.95
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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.