Home / 263,090,011.32-394,455,650.58-133,447,635.36

Finding the Fourth Proportional to 263,090,011.32, 394,455,650.58 and 133,447,635.36

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Solution

The fourth proportional to 263,090,011.32, 394,455,650.58 and 133,447,635.36 is: 200,080,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,090,011.32 : 394,455,650.58 = 133,447,635.36 : x
  2. Step 2: Convert to fraction form
    263,090,011.32/394,455,650.58 = 133,447,635.36/x
  3. Step 3: Cross multiply
    263,090,011.32x = 394,455,650.58 × 133,447,635.36
  4. Step 4: Simplify right side
    263,090,011.32x = 52,639,173,824,291,408
  5. Step 5: Solve for x
    x = 52,639,173,824,291,408/263,090,011.32
  6. Step 6: Final answer
    x = 200,080,472.69

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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.