Finding the Fourth Proportional to 4,126,388,440.80, 6,189,582,661.20 and 3,884,324,671.20
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Solution
The fourth proportional to 4,126,388,440.80, 6,189,582,661.20 and 3,884,324,671.20 is: 5,826,487,006.80
Step by Step Solution
- Step 1: Write the proportion equation
4,126,388,440.80 : 6,189,582,661.20 = 3,884,324,671.20 : x - Step 2: Convert to fraction form
4,126,388,440.80/6,189,582,661.20 = 3,884,324,671.20/x - Step 3: Cross multiply
4,126,388,440.80x = 6,189,582,661.20 × 3,884,324,671.20 - Step 4: Simplify right side
4,126,388,440.80x = 24,042,348,635,330,908,160 - Step 5: Solve for x
x = 24,042,348,635,330,908,160/4,126,388,440.80 - Step 6: Final answer
x = 5,826,487,006.80
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Double scale
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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.