Finding the Fourth Proportional to 3,201,363,206.62, 4,802,286,996.49 and 990,796,501.65
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Solution
The fourth proportional to 3,201,363,206.62, 4,802,286,996.49 and 990,796,501.65 is: 1,486,269,707.29
Step by Step Solution
- Step 1: Write the proportion equation
3,201,363,206.62 : 4,802,286,996.49 = 990,796,501.65 : x - Step 2: Convert to fraction form
3,201,363,206.62/4,802,286,996.49 = 990,796,501.65/x - Step 3: Cross multiply
3,201,363,206.62x = 4,802,286,996.49 × 990,796,501.65 - Step 4: Simplify right side
3,201,363,206.62x = 4,758,089,156,041,020,416 - Step 5: Solve for x
x = 4,758,089,156,041,020,416/3,201,363,206.62 - Step 6: Final answer
x = 1,486,269,707.29
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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.