Finding the Fourth Proportional to 307,424,285.70, 461,136,428.55 and 277,769,877.90
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Solution
The fourth proportional to 307,424,285.70, 461,136,428.55 and 277,769,877.90 is: 416,654,816.85
Step by Step Solution
- Step 1: Write the proportion equation
307,424,285.70 : 461,136,428.55 = 277,769,877.90 : x - Step 2: Convert to fraction form
307,424,285.70/461,136,428.55 = 277,769,877.90/x - Step 3: Cross multiply
307,424,285.70x = 461,136,428.55 × 277,769,877.90 - Step 4: Simplify right side
307,424,285.70x = 128,089,809,453,575,568 - Step 5: Solve for x
x = 128,089,809,453,575,568/307,424,285.70 - Step 6: Final answer
x = 416,654,816.85
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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.