Finding the Fourth Proportional to 629,136,029.40, 943,704,044.10 and 411,457,795.80
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Solution
The fourth proportional to 629,136,029.40, 943,704,044.10 and 411,457,795.80 is: 617,186,693.70
Step by Step Solution
- Step 1: Write the proportion equation
629,136,029.40 : 943,704,044.10 = 411,457,795.80 : x - Step 2: Convert to fraction form
629,136,029.40/943,704,044.10 = 411,457,795.80/x - Step 3: Cross multiply
629,136,029.40x = 943,704,044.10 × 411,457,795.80 - Step 4: Simplify right side
629,136,029.40x = 388,294,385,872,932,032 - Step 5: Solve for x
x = 388,294,385,872,932,032/629,136,029.40 - Step 6: Final answer
x = 617,186,693.70
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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.