Finding the Fourth Proportional to 4,280,416,124.49, 6,419,083,745.91 and 1,481,624,219.61
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Solution
The fourth proportional to 4,280,416,124.49, 6,419,083,745.91 and 1,481,624,219.61 is: 2,221,903,120.87
Step by Step Solution
- Step 1: Write the proportion equation
4,280,416,124.49 : 6,419,083,745.91 = 1,481,624,219.61 : x - Step 2: Convert to fraction form
4,280,416,124.49/6,419,083,745.91 = 1,481,624,219.61/x - Step 3: Cross multiply
4,280,416,124.49x = 6,419,083,745.91 × 1,481,624,219.61 - Step 4: Simplify right side
4,280,416,124.49x = 9,510,669,945,645,137,920 - Step 5: Solve for x
x = 9,510,669,945,645,137,920/4,280,416,124.49 - Step 6: Final answer
x = 2,221,903,120.87
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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.