Finding the Fourth Proportional to 2,470,198,019.20, 3,705,297,028.80 and 2,125,824,251.20
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Solution
The fourth proportional to 2,470,198,019.20, 3,705,297,028.80 and 2,125,824,251.20 is: 3,188,736,376.80
Step by Step Solution
- Step 1: Write the proportion equation
2,470,198,019.20 : 3,705,297,028.80 = 2,125,824,251.20 : x - Step 2: Convert to fraction form
2,470,198,019.20/3,705,297,028.80 = 2,125,824,251.20/x - Step 3: Cross multiply
2,470,198,019.20x = 3,705,297,028.80 × 2,125,824,251.20 - Step 4: Simplify right side
2,470,198,019.20x = 7,876,810,281,722,345,472 - Step 5: Solve for x
x = 7,876,810,281,722,345,472/2,470,198,019.20 - Step 6: Final answer
x = 3,188,736,376.80
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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.