Finding the Fourth Proportional to 2,264,998,690.68, 3,125,795,168.79 and 1,261,416,255.36
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Solution
The fourth proportional to 2,264,998,690.68, 3,125,795,168.79 and 1,261,416,255.36 is: 1,740,808,439.78
Step by Step Solution
- Step 1: Write the proportion equation
2,264,998,690.68 : 3,125,795,168.79 = 1,261,416,255.36 : x - Step 2: Convert to fraction form
2,264,998,690.68/3,125,795,168.79 = 1,261,416,255.36/x - Step 3: Cross multiply
2,264,998,690.68x = 3,125,795,168.79 × 1,261,416,255.36 - Step 4: Simplify right side
2,264,998,690.68x = 3,942,928,836,837,460,480 - Step 5: Solve for x
x = 3,942,928,836,837,460,480/2,264,998,690.68 - Step 6: Final answer
x = 1,740,808,439.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.