Finding the Fourth Proportional to 2,142,202,792.53, 3,211,837,234.83 and 1,090,905,987.63
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Solution
The fourth proportional to 2,142,202,792.53, 3,211,837,234.83 and 1,090,905,987.63 is: 1,635,611,942.52
Step by Step Solution
- Step 1: Write the proportion equation
2,142,202,792.53 : 3,211,837,234.83 = 1,090,905,987.63 : x - Step 2: Convert to fraction form
2,142,202,792.53/3,211,837,234.83 = 1,090,905,987.63/x - Step 3: Cross multiply
2,142,202,792.53x = 3,211,837,234.83 × 1,090,905,987.63 - Step 4: Simplify right side
2,142,202,792.53x = 3,503,812,470,769,029,632 - Step 5: Solve for x
x = 3,503,812,470,769,029,632/2,142,202,792.53 - Step 6: Final answer
x = 1,635,611,942.52
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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.