Finding the Fourth Proportional to 433,078,625.50, 649,656,112.30 and 122,188,964.74
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Solution
The fourth proportional to 433,078,625.50, 649,656,112.30 and 122,188,964.74 is: 183,294,217.55
Step by Step Solution
- Step 1: Write the proportion equation
433,078,625.50 : 649,656,112.30 = 122,188,964.74 : x - Step 2: Convert to fraction form
433,078,625.50/649,656,112.30 = 122,188,964.74/x - Step 3: Cross multiply
433,078,625.50x = 649,656,112.30 × 122,188,964.74 - Step 4: Simplify right side
433,078,625.50x = 79,380,807,797,020,560 - Step 5: Solve for x
x = 79,380,807,797,020,560/433,078,625.50 - Step 6: Final answer
x = 183,294,217.55
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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.