Finding the Fourth Proportional to 2,116,933,615.58, 2,921,734,050.14 and 1,225,351,934.12
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Solution
The fourth proportional to 2,116,933,615.58, 2,921,734,050.14 and 1,225,351,934.12 is: 1,691,197,325.69
Step by Step Solution
- Step 1: Write the proportion equation
2,116,933,615.58 : 2,921,734,050.14 = 1,225,351,934.12 : x - Step 2: Convert to fraction form
2,116,933,615.58/2,921,734,050.14 = 1,225,351,934.12/x - Step 3: Cross multiply
2,116,933,615.58x = 2,921,734,050.14 × 1,225,351,934.12 - Step 4: Simplify right side
2,116,933,615.58x = 3,580,152,469,333,677,568 - Step 5: Solve for x
x = 3,580,152,469,333,677,568/2,116,933,615.58 - Step 6: Final answer
x = 1,691,197,325.69
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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.