Finding the Fourth Proportional to 234,340,963.47, 351,569,893.86 and 165,388,455.99
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Solution
The fourth proportional to 234,340,963.47, 351,569,893.86 and 165,388,455.99 is: 248,123,934.70
Step by Step Solution
- Step 1: Write the proportion equation
234,340,963.47 : 351,569,893.86 = 165,388,455.99 : x - Step 2: Convert to fraction form
234,340,963.47/351,569,893.86 = 165,388,455.99/x - Step 3: Cross multiply
234,340,963.47x = 351,569,893.86 × 165,388,455.99 - Step 4: Simplify right side
234,340,963.47x = 58,145,601,918,073,584 - Step 5: Solve for x
x = 58,145,601,918,073,584/234,340,963.47 - Step 6: Final answer
x = 248,123,934.70
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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.