Finding the Fourth Proportional to 7,777,689,236.40, 11,667,053,994.12 and 2,734,943,247.84
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Solution
The fourth proportional to 7,777,689,236.40, 11,667,053,994.12 and 2,734,943,247.84 is: 4,102,597,773.39
Step by Step Solution
- Step 1: Write the proportion equation
7,777,689,236.40 : 11,667,053,994.12 = 2,734,943,247.84 : x - Step 2: Convert to fraction form
7,777,689,236.40/11,667,053,994.12 = 2,734,943,247.84/x - Step 3: Cross multiply
7,777,689,236.40x = 11,667,053,994.12 × 2,734,943,247.84 - Step 4: Simplify right side
7,777,689,236.40x = 31,908,730,543,403,200,512 - Step 5: Solve for x
x = 31,908,730,543,403,200,512/7,777,689,236.40 - Step 6: Final answer
x = 4,102,597,773.39
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1.5x scale
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.