Finding the Fourth Proportional to 5,440,937,687, 8,152,903,474.08 and 3,786,078,242.84
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Solution
The fourth proportional to 5,440,937,687, 8,152,903,474.08 and 3,786,078,242.84 is: 5,673,200,509.71
Step by Step Solution
- Step 1: Write the proportion equation
5,440,937,687 : 8,152,903,474.08 = 3,786,078,242.84 : x - Step 2: Convert to fraction form
5,440,937,687/8,152,903,474.08 = 3,786,078,242.84/x - Step 3: Cross multiply
5,440,937,687x = 8,152,903,474.08 × 3,786,078,242.84 - Step 4: Simplify right side
5,440,937,687x = 30,867,530,459,188,940,800 - Step 5: Solve for x
x = 30,867,530,459,188,940,800/5,440,937,687 - Step 6: Final answer
x = 5,673,200,509.71
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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.