Finding the Fourth Proportional to 8,345,247,967.20, 12,519,383,605.20 and 4,194,244,984.80
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Solution
The fourth proportional to 8,345,247,967.20, 12,519,383,605.20 and 4,194,244,984.80 is: 6,292,127,220.82
Step by Step Solution
- Step 1: Write the proportion equation
8,345,247,967.20 : 12,519,383,605.20 = 4,194,244,984.80 : x - Step 2: Convert to fraction form
8,345,247,967.20/12,519,383,605.20 = 4,194,244,984.80/x - Step 3: Cross multiply
8,345,247,967.20x = 12,519,383,605.20 × 4,194,244,984.80 - Step 4: Simplify right side
8,345,247,967.20x = 52,509,361,898,897,448,960 - Step 5: Solve for x
x = 52,509,361,898,897,448,960/8,345,247,967.20 - Step 6: Final answer
x = 6,292,127,220.82
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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.