Home / 763,973,838.58-1,145,959,325.78-239,383,100.92

Finding the Fourth Proportional to 763,973,838.58, 1,145,959,325.78 and 239,383,100.92

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Solution

The fourth proportional to 763,973,838.58, 1,145,959,325.78 and 239,383,100.92 is: 359,074,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,973,838.58 : 1,145,959,325.78 = 239,383,100.92 : x
  2. Step 2: Convert to fraction form
    763,973,838.58/1,145,959,325.78 = 239,383,100.92/x
  3. Step 3: Cross multiply
    763,973,838.58x = 1,145,959,325.78 × 239,383,100.92
  4. Step 4: Simplify right side
    763,973,838.58x = 274,323,296,933,408,864
  5. Step 5: Solve for x
    x = 274,323,296,933,408,864/763,973,838.58
  6. Step 6: Final answer
    x = 359,074,202.65

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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.