Finding the Fourth Proportional to 1,757,237,817.30, 2,425,025,234.97 and 964,276,860.30
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Solution
The fourth proportional to 1,757,237,817.30, 2,425,025,234.97 and 964,276,860.30 is: 1,330,722,396.65
Step by Step Solution
- Step 1: Write the proportion equation
1,757,237,817.30 : 2,425,025,234.97 = 964,276,860.30 : x - Step 2: Convert to fraction form
1,757,237,817.30/2,425,025,234.97 = 964,276,860.30/x - Step 3: Cross multiply
1,757,237,817.30x = 2,425,025,234.97 × 964,276,860.30 - Step 4: Simplify right side
1,757,237,817.30x = 2,338,395,719,725,140,992 - Step 5: Solve for x
x = 2,338,395,719,725,140,992/1,757,237,817.30 - Step 6: Final answer
x = 1,330,722,396.65
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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.