Finding the Fourth Proportional to 6,848,890,143.84, 9,451,516,771.44 and 3,719,765,535.84
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Solution
The fourth proportional to 6,848,890,143.84, 9,451,516,771.44 and 3,719,765,535.84 is: 5,133,302,711.74
Step by Step Solution
- Step 1: Write the proportion equation
6,848,890,143.84 : 9,451,516,771.44 = 3,719,765,535.84 : x - Step 2: Convert to fraction form
6,848,890,143.84/9,451,516,771.44 = 3,719,765,535.84/x - Step 3: Cross multiply
6,848,890,143.84x = 9,451,516,771.44 × 3,719,765,535.84 - Step 4: Simplify right side
6,848,890,143.84x = 35,157,426,347,816,263,680 - Step 5: Solve for x
x = 35,157,426,347,816,263,680/6,848,890,143.84 - Step 6: Final answer
x = 5,133,302,711.74
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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.