Finding the Fourth Proportional to 3,317,340,231.09, 4,577,902,312.90 and 1,811,967,542.08
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Solution
The fourth proportional to 3,317,340,231.09, 4,577,902,312.90 and 1,811,967,542.08 is: 2,500,500,347.85
Step by Step Solution
- Step 1: Write the proportion equation
3,317,340,231.09 : 4,577,902,312.90 = 1,811,967,542.08 : x - Step 2: Convert to fraction form
3,317,340,231.09/4,577,902,312.90 = 1,811,967,542.08/x - Step 3: Cross multiply
3,317,340,231.09x = 4,577,902,312.90 × 1,811,967,542.08 - Step 4: Simplify right side
3,317,340,231.09x = 8,295,010,401,787,758,592 - Step 5: Solve for x
x = 8,295,010,401,787,758,592/3,317,340,231.09 - Step 6: Final answer
x = 2,500,500,347.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.