Finding the Fourth Proportional to 8,439,584,742.44, 12,660,541,244.84 and 4,899,993,141.50
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Solution
The fourth proportional to 8,439,584,742.44, 12,660,541,244.84 and 4,899,993,141.50 is: 7,350,665,602.70
Step by Step Solution
- Step 1: Write the proportion equation
8,439,584,742.44 : 12,660,541,244.84 = 4,899,993,141.50 : x - Step 2: Convert to fraction form
8,439,584,742.44/12,660,541,244.84 = 4,899,993,141.50/x - Step 3: Cross multiply
8,439,584,742.44x = 12,660,541,244.84 × 4,899,993,141.50 - Step 4: Simplify right side
8,439,584,742.44x = 62,036,565,267,330,572,288 - Step 5: Solve for x
x = 62,036,565,267,330,572,288/8,439,584,742.44 - Step 6: Final answer
x = 7,350,665,602.70
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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.