Finding the Fourth Proportional to 392,202,357.40, 588,303,536.10 and 362,641,115.80
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Solution
The fourth proportional to 392,202,357.40, 588,303,536.10 and 362,641,115.80 is: 543,961,673.70
Step by Step Solution
- Step 1: Write the proportion equation
392,202,357.40 : 588,303,536.10 = 362,641,115.80 : x - Step 2: Convert to fraction form
392,202,357.40/588,303,536.10 = 362,641,115.80/x - Step 3: Cross multiply
392,202,357.40x = 588,303,536.10 × 362,641,115.80 - Step 4: Simplify right side
392,202,357.40x = 213,343,050,760,389,600 - Step 5: Solve for x
x = 213,343,050,760,389,600/392,202,357.40 - Step 6: Final answer
x = 543,961,673.70
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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.