Finding the Fourth Proportional to 5,508,724,234.80, 8,263,086,352.20 and 5,457,068,169.60
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Solution
The fourth proportional to 5,508,724,234.80, 8,263,086,352.20 and 5,457,068,169.60 is: 8,185,602,254.40
Step by Step Solution
- Step 1: Write the proportion equation
5,508,724,234.80 : 8,263,086,352.20 = 5,457,068,169.60 : x - Step 2: Convert to fraction form
5,508,724,234.80/8,263,086,352.20 = 5,457,068,169.60/x - Step 3: Cross multiply
5,508,724,234.80x = 8,263,086,352.20 × 5,457,068,169.60 - Step 4: Simplify right side
5,508,724,234.80x = 45,092,225,515,246,796,800 - Step 5: Solve for x
x = 45,092,225,515,246,796,800/5,508,724,234.80 - Step 6: Final answer
x = 8,185,602,254.40
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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.