Finding the Fourth Proportional to 8,346,255,936.80, 12,519,383,905.20 and 4,476,420,672.80
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Solution
The fourth proportional to 8,346,255,936.80, 12,519,383,905.20 and 4,476,420,672.80 is: 6,714,631,009.20
Step by Step Solution
- Step 1: Write the proportion equation
8,346,255,936.80 : 12,519,383,905.20 = 4,476,420,672.80 : x - Step 2: Convert to fraction form
8,346,255,936.80/12,519,383,905.20 = 4,476,420,672.80/x - Step 3: Cross multiply
8,346,255,936.80x = 12,519,383,905.20 × 4,476,420,672.80 - Step 4: Simplify right side
8,346,255,936.80x = 56,042,028,923,956,879,360 - Step 5: Solve for x
x = 56,042,028,923,956,879,360/8,346,255,936.80 - Step 6: Final answer
x = 6,714,631,009.20
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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.