Finding the Fourth Proportional to 629,857,110.20, 944,785,665.30 and 530,087,919.80
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Solution
The fourth proportional to 629,857,110.20, 944,785,665.30 and 530,087,919.80 is: 795,131,879.70
Step by Step Solution
- Step 1: Write the proportion equation
629,857,110.20 : 944,785,665.30 = 530,087,919.80 : x - Step 2: Convert to fraction form
629,857,110.20/944,785,665.30 = 530,087,919.80/x - Step 3: Cross multiply
629,857,110.20x = 944,785,665.30 × 530,087,919.80 - Step 4: Simplify right side
629,857,110.20x = 500,819,467,975,736,000 - Step 5: Solve for x
x = 500,819,467,975,736,000/629,857,110.20 - Step 6: Final answer
x = 795,131,879.70
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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.