Finding the Fourth Proportional to 327,044,991.36, 490,698,357.12 and 132,971,324.16
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Solution
The fourth proportional to 327,044,991.36, 490,698,357.12 and 132,971,324.16 is: 199,510,195.95
Step by Step Solution
- Step 1: Write the proportion equation
327,044,991.36 : 490,698,357.12 = 132,971,324.16 : x - Step 2: Convert to fraction form
327,044,991.36/490,698,357.12 = 132,971,324.16/x - Step 3: Cross multiply
327,044,991.36x = 490,698,357.12 × 132,971,324.16 - Step 4: Simplify right side
327,044,991.36x = 65,248,810,309,382,960 - Step 5: Solve for x
x = 65,248,810,309,382,960/327,044,991.36 - Step 6: Final answer
x = 199,510,195.95
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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.