Finding the Fourth Proportional to 5,390,201,542.80, 8,085,302,314.20 and 3,812,034,349.20
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Solution
The fourth proportional to 5,390,201,542.80, 8,085,302,314.20 and 3,812,034,349.20 is: 5,718,051,523.80
Step by Step Solution
- Step 1: Write the proportion equation
5,390,201,542.80 : 8,085,302,314.20 = 3,812,034,349.20 : x - Step 2: Convert to fraction form
5,390,201,542.80/8,085,302,314.20 = 3,812,034,349.20/x - Step 3: Cross multiply
5,390,201,542.80x = 8,085,302,314.20 × 3,812,034,349.20 - Step 4: Simplify right side
5,390,201,542.80x = 30,821,450,145,396,649,984 - Step 5: Solve for x
x = 30,821,450,145,396,649,984/5,390,201,542.80 - Step 6: Final answer
x = 5,718,051,523.80
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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.