Finding the Fourth Proportional to 304,801,425.44, 420,637,529.16 and 170,841,817.73
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Solution
The fourth proportional to 304,801,425.44, 420,637,529.16 and 170,841,817.73 is: 235,768,189.02
Step by Step Solution
- Step 1: Write the proportion equation
304,801,425.44 : 420,637,529.16 = 170,841,817.73 : x - Step 2: Convert to fraction form
304,801,425.44/420,637,529.16 = 170,841,817.73/x - Step 3: Cross multiply
304,801,425.44x = 420,637,529.16 × 170,841,817.73 - Step 4: Simplify right side
304,801,425.44x = 71,862,480,087,150,280 - Step 5: Solve for x
x = 71,862,480,087,150,280/304,801,425.44 - Step 6: Final answer
x = 235,768,189.02
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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.