Finding the Fourth Proportional to 2,978,583,740.51, 4,110,735,899.21 and 2,224,587,896.09
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Solution
The fourth proportional to 2,978,583,740.51, 4,110,735,899.21 and 2,224,587,896.09 is: 3,070,148,138.20
Step by Step Solution
- Step 1: Write the proportion equation
2,978,583,740.51 : 4,110,735,899.21 = 2,224,587,896.09 : x - Step 2: Convert to fraction form
2,978,583,740.51/4,110,735,899.21 = 2,224,587,896.09/x - Step 3: Cross multiply
2,978,583,740.51x = 4,110,735,899.21 × 2,224,587,896.09 - Step 4: Simplify right side
2,978,583,740.51x = 9,144,693,325,394,085,888 - Step 5: Solve for x
x = 9,144,693,325,394,085,888/2,978,583,740.51 - Step 6: Final answer
x = 3,070,148,138.20
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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.