Finding the Fourth Proportional to 6,240,874,843.20, 8,612,405,205.48 and 3,421,422,232.68
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Solution
The fourth proportional to 6,240,874,843.20, 8,612,405,205.48 and 3,421,422,232.68 is: 4,721,561,541.81
Step by Step Solution
- Step 1: Write the proportion equation
6,240,874,843.20 : 8,612,405,205.48 = 3,421,422,232.68 : x - Step 2: Convert to fraction form
6,240,874,843.20/8,612,405,205.48 = 3,421,422,232.68/x - Step 3: Cross multiply
6,240,874,843.20x = 8,612,405,205.48 × 3,421,422,232.68 - Step 4: Simplify right side
6,240,874,843.20x = 29,466,674,646,878,232,576 - Step 5: Solve for x
x = 29,466,674,646,878,232,576/6,240,874,843.20 - Step 6: Final answer
x = 4,721,561,541.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.