Finding the Fourth Proportional to 2,725,891,172.20, 3,761,729,824.87 and 1,472,828,028.09
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Solution
The fourth proportional to 2,725,891,172.20, 3,761,729,824.87 and 1,472,828,028.09 is: 2,032,502,682.67
Step by Step Solution
- Step 1: Write the proportion equation
2,725,891,172.20 : 3,761,729,824.87 = 1,472,828,028.09 : x - Step 2: Convert to fraction form
2,725,891,172.20/3,761,729,824.87 = 1,472,828,028.09/x - Step 3: Cross multiply
2,725,891,172.20x = 3,761,729,824.87 × 1,472,828,028.09 - Step 4: Simplify right side
2,725,891,172.20x = 5,540,381,120,155,496,448 - Step 5: Solve for x
x = 5,540,381,120,155,496,448/2,725,891,172.20 - Step 6: Final answer
x = 2,032,502,682.67
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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.