Finding the Fourth Proportional to 2,706,220,803.70, 4,059,331,205.55 and 1,328,725,731.70
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Solution
The fourth proportional to 2,706,220,803.70, 4,059,331,205.55 and 1,328,725,731.70 is: 1,993,088,597.55
Step by Step Solution
- Step 1: Write the proportion equation
2,706,220,803.70 : 4,059,331,205.55 = 1,328,725,731.70 : x - Step 2: Convert to fraction form
2,706,220,803.70/4,059,331,205.55 = 1,328,725,731.70/x - Step 3: Cross multiply
2,706,220,803.70x = 4,059,331,205.55 × 1,328,725,731.70 - Step 4: Simplify right side
2,706,220,803.70x = 5,393,737,826,307,066,880 - Step 5: Solve for x
x = 5,393,737,826,307,066,880/2,706,220,803.70 - Step 6: Final answer
x = 1,993,088,597.55
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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.