Finding the Fourth Proportional to 644,756,859.87, 967,134,698.94 and 202,102,723.59
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Solution
The fourth proportional to 644,756,859.87, 967,134,698.94 and 202,102,723.59 is: 303,153,900.17
Step by Step Solution
- Step 1: Write the proportion equation
644,756,859.87 : 967,134,698.94 = 202,102,723.59 : x - Step 2: Convert to fraction form
644,756,859.87/967,134,698.94 = 202,102,723.59/x - Step 3: Cross multiply
644,756,859.87x = 967,134,698.94 × 202,102,723.59 - Step 4: Simplify right side
644,756,859.87x = 195,460,556,734,168,704 - Step 5: Solve for x
x = 195,460,556,734,168,704/644,756,859.87 - Step 6: Final answer
x = 303,153,900.17
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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.