Home / 763,973,836.08-1,145,959,322.03-239,383,098.42

Finding the Fourth Proportional to 763,973,836.08, 1,145,959,322.03 and 239,383,098.42

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Solution

The fourth proportional to 763,973,836.08, 1,145,959,322.03 and 239,383,098.42 is: 359,074,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,973,836.08 : 1,145,959,322.03 = 239,383,098.42 : x
  2. Step 2: Convert to fraction form
    763,973,836.08/1,145,959,322.03 = 239,383,098.42/x
  3. Step 3: Cross multiply
    763,973,836.08x = 1,145,959,322.03 × 239,383,098.42
  4. Step 4: Simplify right side
    763,973,836.08x = 274,323,293,170,823,936
  5. Step 5: Solve for x
    x = 274,323,293,170,823,936/763,973,836.08
  6. Step 6: Final answer
    x = 359,074,198.90

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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.