Finding the Fourth Proportional to 6,978,351,800.25, 10,467,618,875.69 and 2,320,225,764.57
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Solution
The fourth proportional to 6,978,351,800.25, 10,467,618,875.69 and 2,320,225,764.57 is: 3,480,368,961.65
Step by Step Solution
- Step 1: Write the proportion equation
6,978,351,800.25 : 10,467,618,875.69 = 2,320,225,764.57 : x - Step 2: Convert to fraction form
6,978,351,800.25/10,467,618,875.69 = 2,320,225,764.57/x - Step 3: Cross multiply
6,978,351,800.25x = 10,467,618,875.69 × 2,320,225,764.57 - Step 4: Simplify right side
6,978,351,800.25x = 24,287,239,009,063,591,936 - Step 5: Solve for x
x = 24,287,239,009,063,591,936/6,978,351,800.25 - Step 6: Final answer
x = 3,480,368,961.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.