Finding the Fourth Proportional to 296,177,712.80, 444,266,569.20 and 143,122,704.80
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Solution
The fourth proportional to 296,177,712.80, 444,266,569.20 and 143,122,704.80 is: 214,684,057.20
Step by Step Solution
- Step 1: Write the proportion equation
296,177,712.80 : 444,266,569.20 = 143,122,704.80 : x - Step 2: Convert to fraction form
296,177,712.80/444,266,569.20 = 143,122,704.80/x - Step 3: Cross multiply
296,177,712.80x = 444,266,569.20 × 143,122,704.80 - Step 4: Simplify right side
296,177,712.80x = 63,584,633,036,120,376 - Step 5: Solve for x
x = 63,584,633,036,120,376/296,177,712.80 - Step 6: Final answer
x = 214,684,057.20
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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.