Finding the Fourth Proportional to 562,626,453.80, 776,414,229.80 and 311,729,930.49
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Solution
The fourth proportional to 562,626,453.80, 776,414,229.80 and 311,729,930.49 is: 430,181,610.29
Step by Step Solution
- Step 1: Write the proportion equation
562,626,453.80 : 776,414,229.80 = 311,729,930.49 : x - Step 2: Convert to fraction form
562,626,453.80/776,414,229.80 = 311,729,930.49/x - Step 3: Cross multiply
562,626,453.80x = 776,414,229.80 × 311,729,930.49 - Step 4: Simplify right side
562,626,453.80x = 242,031,553,888,353,760 - Step 5: Solve for x
x = 242,031,553,888,353,760/562,626,453.80 - Step 6: Final answer
x = 430,181,610.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.