Finding the Fourth Proportional to 1,447,952,180.44, 2,172,596,238.08 and 661,247,003.56
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Solution
The fourth proportional to 1,447,952,180.44, 2,172,596,238.08 and 661,247,003.56 is: 992,175,550.95
Step by Step Solution
- Step 1: Write the proportion equation
1,447,952,180.44 : 2,172,596,238.08 = 661,247,003.56 : x - Step 2: Convert to fraction form
1,447,952,180.44/2,172,596,238.08 = 661,247,003.56/x - Step 3: Cross multiply
1,447,952,180.44x = 2,172,596,238.08 × 661,247,003.56 - Step 4: Simplify right side
1,447,952,180.44x = 1,436,622,752,376,128,256 - Step 5: Solve for x
x = 1,436,622,752,376,128,256/1,447,952,180.44 - Step 6: Final answer
x = 992,175,550.95
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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.