Home / 439,769,823.40-659,729,384.70-133,059,500.20

Finding the Fourth Proportional to 439,769,823.40, 659,729,384.70 and 133,059,500.20

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Solution

The fourth proportional to 439,769,823.40, 659,729,384.70 and 133,059,500.20 is: 199,611,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,769,823.40 : 659,729,384.70 = 133,059,500.20 : x
  2. Step 2: Convert to fraction form
    439,769,823.40/659,729,384.70 = 133,059,500.20/x
  3. Step 3: Cross multiply
    439,769,823.40x = 659,729,384.70 × 133,059,500.20
  4. Step 4: Simplify right side
    439,769,823.40x = 87,783,262,195,435,536
  5. Step 5: Solve for x
    x = 87,783,262,195,435,536/439,769,823.40
  6. Step 6: Final answer
    x = 199,611,836.75

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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.