Finding the Fourth Proportional to 7,729,145,123.94, 11,593,715,914.44 and 2,208,403,221.30
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Solution
The fourth proportional to 7,729,145,123.94, 11,593,715,914.44 and 2,208,403,221.30 is: 3,312,604,325.80
Step by Step Solution
- Step 1: Write the proportion equation
7,729,145,123.94 : 11,593,715,914.44 = 2,208,403,221.30 : x - Step 2: Convert to fraction form
7,729,145,123.94/11,593,715,914.44 = 2,208,403,221.30/x - Step 3: Cross multiply
7,729,145,123.94x = 11,593,715,914.44 × 2,208,403,221.30 - Step 4: Simplify right side
7,729,145,123.94x = 25,603,599,572,286,373,888 - Step 5: Solve for x
x = 25,603,599,572,286,373,888/7,729,145,123.94 - Step 6: Final answer
x = 3,312,604,325.80
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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.