Finding the Fourth Proportional to 2,257,572,662.21, 3,386,393,028.51 and 783,759,272.58
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Solution
The fourth proportional to 2,257,572,662.21, 3,386,393,028.51 and 783,759,272.58 is: 1,175,650,724.84
Step by Step Solution
- Step 1: Write the proportion equation
2,257,572,662.21 : 3,386,393,028.51 = 783,759,272.58 : x - Step 2: Convert to fraction form
2,257,572,662.21/3,386,393,028.51 = 783,759,272.58/x - Step 3: Cross multiply
2,257,572,662.21x = 3,386,393,028.51 × 783,759,272.58 - Step 4: Simplify right side
2,257,572,662.21x = 2,654,116,936,694,981,120 - Step 5: Solve for x
x = 2,654,116,936,694,981,120/2,257,572,662.21 - Step 6: Final answer
x = 1,175,650,724.84
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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.