Finding the Fourth Proportional to 551,424,021.80, 827,136,032.70 and 449,387,349.80
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Solution
The fourth proportional to 551,424,021.80, 827,136,032.70 and 449,387,349.80 is: 674,081,024.70
Step by Step Solution
- Step 1: Write the proportion equation
551,424,021.80 : 827,136,032.70 = 449,387,349.80 : x - Step 2: Convert to fraction form
551,424,021.80/827,136,032.70 = 449,387,349.80/x - Step 3: Cross multiply
551,424,021.80x = 827,136,032.70 × 449,387,349.80 - Step 4: Simplify right side
551,424,021.80x = 371,704,469,659,139,200 - Step 5: Solve for x
x = 371,704,469,659,139,200/551,424,021.80 - Step 6: Final answer
x = 674,081,024.70
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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.