Finding the Fourth Proportional to 7,454,724,778.71, 11,173,590,933.89 and 4,657,984,629.75
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Solution
The fourth proportional to 7,454,724,778.71, 11,173,590,933.89 and 4,657,984,629.75 is: 6,981,668,186.84
Step by Step Solution
- Step 1: Write the proportion equation
7,454,724,778.71 : 11,173,590,933.89 = 4,657,984,629.75 : x - Step 2: Convert to fraction form
7,454,724,778.71/11,173,590,933.89 = 4,657,984,629.75/x - Step 3: Cross multiply
7,454,724,778.71x = 11,173,590,933.89 × 4,657,984,629.75 - Step 4: Simplify right side
7,454,724,778.71x = 52,046,414,829,150,281,728 - Step 5: Solve for x
x = 52,046,414,829,150,281,728/7,454,724,778.71 - Step 6: Final answer
x = 6,981,668,186.84
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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.