Finding the Fourth Proportional to 2,017,815,137.80, 3,026,722,706.70 and 927,298,205.80
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Solution
The fourth proportional to 2,017,815,137.80, 3,026,722,706.70 and 927,298,205.80 is: 1,390,947,308.70
Step by Step Solution
- Step 1: Write the proportion equation
2,017,815,137.80 : 3,026,722,706.70 = 927,298,205.80 : x - Step 2: Convert to fraction form
2,017,815,137.80/3,026,722,706.70 = 927,298,205.80/x - Step 3: Cross multiply
2,017,815,137.80x = 3,026,722,706.70 × 927,298,205.80 - Step 4: Simplify right side
2,017,815,137.80x = 2,806,674,535,377,029,120 - Step 5: Solve for x
x = 2,806,674,535,377,029,120/2,017,815,137.80 - Step 6: Final answer
x = 1,390,947,308.70
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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.