Finding the Fourth Proportional to 263,737,026.21, 395,641,918.41 and 153,124,788.68
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Solution
The fourth proportional to 263,737,026.21, 395,641,918.41 and 153,124,788.68 is: 229,708,304.59
Step by Step Solution
- Step 1: Write the proportion equation
263,737,026.21 : 395,641,918.41 = 153,124,788.68 : x - Step 2: Convert to fraction form
263,737,026.21/395,641,918.41 = 153,124,788.68/x - Step 3: Cross multiply
263,737,026.21x = 395,641,918.41 × 153,124,788.68 - Step 4: Simplify right side
263,737,026.21x = 60,582,585,149,481,056 - Step 5: Solve for x
x = 60,582,585,149,481,056/263,737,026.21 - Step 6: Final answer
x = 229,708,304.59
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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.