Home / 348,814,872.92-481,364,305.30-192,181,978.34

Finding the Fourth Proportional to 348,814,872.92, 481,364,305.30 and 192,181,978.34

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Solution

The fourth proportional to 348,814,872.92, 481,364,305.30 and 192,181,978.34 is: 265,211,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,814,872.92 : 481,364,305.30 = 192,181,978.34 : x
  2. Step 2: Convert to fraction form
    348,814,872.92/481,364,305.30 = 192,181,978.34/x
  3. Step 3: Cross multiply
    348,814,872.92x = 481,364,305.30 × 192,181,978.34
  4. Step 4: Simplify right side
    348,814,872.92x = 92,509,544,494,813,744
  5. Step 5: Solve for x
    x = 92,509,544,494,813,744/348,814,872.92
  6. Step 6: Final answer
    x = 265,211,009.27

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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.