Finding the Fourth Proportional to 3,201,268,390.40, 4,801,902,585.60 and 2,657,072,806.40
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Solution
The fourth proportional to 3,201,268,390.40, 4,801,902,585.60 and 2,657,072,806.40 is: 3,985,609,209.60
Step by Step Solution
- Step 1: Write the proportion equation
3,201,268,390.40 : 4,801,902,585.60 = 2,657,072,806.40 : x - Step 2: Convert to fraction form
3,201,268,390.40/4,801,902,585.60 = 2,657,072,806.40/x - Step 3: Cross multiply
3,201,268,390.40x = 4,801,902,585.60 × 2,657,072,806.40 - Step 4: Simplify right side
3,201,268,390.40x = 12,759,004,779,179,610,112 - Step 5: Solve for x
x = 12,759,004,779,179,610,112/3,201,268,390.40 - Step 6: Final answer
x = 3,985,609,209.60
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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.