Finding the Fourth Proportional to 2,706,220,801.20, 4,059,331,201.80 and 1,328,725,729.20
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Solution
The fourth proportional to 2,706,220,801.20, 4,059,331,201.80 and 1,328,725,729.20 is: 1,993,088,593.80
Step by Step Solution
- Step 1: Write the proportion equation
2,706,220,801.20 : 4,059,331,201.80 = 1,328,725,729.20 : x - Step 2: Convert to fraction form
2,706,220,801.20/4,059,331,201.80 = 1,328,725,729.20/x - Step 3: Cross multiply
2,706,220,801.20x = 4,059,331,201.80 × 1,328,725,729.20 - Step 4: Simplify right side
2,706,220,801.20x = 5,393,737,811,176,017,920 - Step 5: Solve for x
x = 5,393,737,811,176,017,920/2,706,220,801.20 - Step 6: Final answer
x = 1,993,088,593.80
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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.