Finding the Fourth Proportional to 5,025,994,660.78, 7,529,184,262.71 and 3,915,399,347.14
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Solution
The fourth proportional to 5,025,994,660.78, 7,529,184,262.71 and 3,915,399,347.14 is: 5,865,458,508.49
Step by Step Solution
- Step 1: Write the proportion equation
5,025,994,660.78 : 7,529,184,262.71 = 3,915,399,347.14 : x - Step 2: Convert to fraction form
5,025,994,660.78/7,529,184,262.71 = 3,915,399,347.14/x - Step 3: Cross multiply
5,025,994,660.78x = 7,529,184,262.71 × 3,915,399,347.14 - Step 4: Simplify right side
5,025,994,660.78x = 29,479,763,146,711,494,656 - Step 5: Solve for x
x = 29,479,763,146,711,494,656/5,025,994,660.78 - Step 6: Final answer
x = 5,865,458,508.49
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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.