Finding the Fourth Proportional to 3,745,112,278.78, 5,609,851,064.07 and 2,246,390,804.60
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Solution
The fourth proportional to 3,745,112,278.78, 5,609,851,064.07 and 2,246,390,804.60 is: 3,364,897,206.66
Step by Step Solution
- Step 1: Write the proportion equation
3,745,112,278.78 : 5,609,851,064.07 = 2,246,390,804.60 : x - Step 2: Convert to fraction form
3,745,112,278.78/5,609,851,064.07 = 2,246,390,804.60/x - Step 3: Cross multiply
3,745,112,278.78x = 5,609,851,064.07 × 2,246,390,804.60 - Step 4: Simplify right side
3,745,112,278.78x = 12,601,917,845,516,396,544 - Step 5: Solve for x
x = 12,601,917,845,516,396,544/3,745,112,278.78 - Step 6: Final answer
x = 3,364,897,206.66
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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.