Home / 854,279,249.68-1,178,951,138.22-477,913,385.44

Finding the Fourth Proportional to 854,279,249.68, 1,178,951,138.22 and 477,913,385.44

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Solution

The fourth proportional to 854,279,249.68, 1,178,951,138.22 and 477,913,385.44 is: 659,546,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,279,249.68 : 1,178,951,138.22 = 477,913,385.44 : x
  2. Step 2: Convert to fraction form
    854,279,249.68/1,178,951,138.22 = 477,913,385.44/x
  3. Step 3: Cross multiply
    854,279,249.68x = 1,178,951,138.22 × 477,913,385.44
  4. Step 4: Simplify right side
    854,279,249.68x = 563,436,529,735,061,568
  5. Step 5: Solve for x
    x = 563,436,529,735,061,568/854,279,249.68
  6. Step 6: Final answer
    x = 659,546,079.28

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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.