Finding the Fourth Proportional to 1,614,868,309.08, 2,422,302,466.92 and 388,036,762.20
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Solution
The fourth proportional to 1,614,868,309.08, 2,422,302,466.92 and 388,036,762.20 is: 582,055,144.09
Step by Step Solution
- Step 1: Write the proportion equation
1,614,868,309.08 : 2,422,302,466.92 = 388,036,762.20 : x - Step 2: Convert to fraction form
1,614,868,309.08/2,422,302,466.92 = 388,036,762.20/x - Step 3: Cross multiply
1,614,868,309.08x = 2,422,302,466.92 × 388,036,762.20 - Step 4: Simplify right side
1,614,868,309.08x = 939,942,406,332,709,376 - Step 5: Solve for x
x = 939,942,406,332,709,376/1,614,868,309.08 - Step 6: Final answer
x = 582,055,144.09
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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.