Finding the Fourth Proportional to 1,382,995,237.40, 2,074,496,369.88 and 565,107,538.40
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Solution
The fourth proportional to 1,382,995,237.40, 2,074,496,369.88 and 565,107,538.40 is: 847,662,743.37
Step by Step Solution
- Step 1: Write the proportion equation
1,382,995,237.40 : 2,074,496,369.88 = 565,107,538.40 : x - Step 2: Convert to fraction form
1,382,995,237.40/2,074,496,369.88 = 565,107,538.40/x - Step 3: Cross multiply
1,382,995,237.40x = 2,074,496,369.88 × 565,107,538.40 - Step 4: Simplify right side
1,382,995,237.40x = 1,172,313,537,002,622,720 - Step 5: Solve for x
x = 1,172,313,537,002,622,720/1,382,995,237.40 - Step 6: Final answer
x = 847,662,743.37
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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.