Finding the Fourth Proportional to 1,940,481,696.80, 2,910,722,545.20 and 560,341,229.60
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Solution
The fourth proportional to 1,940,481,696.80, 2,910,722,545.20 and 560,341,229.60 is: 840,511,844.40
Step by Step Solution
- Step 1: Write the proportion equation
1,940,481,696.80 : 2,910,722,545.20 = 560,341,229.60 : x - Step 2: Convert to fraction form
1,940,481,696.80/2,910,722,545.20 = 560,341,229.60/x - Step 3: Cross multiply
1,940,481,696.80x = 2,910,722,545.20 × 560,341,229.60 - Step 4: Simplify right side
1,940,481,696.80x = 1,630,997,850,001,809,664 - Step 5: Solve for x
x = 1,630,997,850,001,809,664/1,940,481,696.80 - Step 6: Final answer
x = 840,511,844.40
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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.