Finding the Fourth Proportional to 629,856,795.40, 944,785,193.10 and 433,436,201.80
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Solution
The fourth proportional to 629,856,795.40, 944,785,193.10 and 433,436,201.80 is: 650,154,302.70
Step by Step Solution
- Step 1: Write the proportion equation
629,856,795.40 : 944,785,193.10 = 433,436,201.80 : x - Step 2: Convert to fraction form
629,856,795.40/944,785,193.10 = 433,436,201.80/x - Step 3: Cross multiply
629,856,795.40x = 944,785,193.10 × 433,436,201.80 - Step 4: Simplify right side
629,856,795.40x = 409,504,105,614,143,616 - Step 5: Solve for x
x = 409,504,105,614,143,616/629,856,795.40 - Step 6: Final answer
x = 650,154,302.70
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1.5x scale
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.