Home / 412,898,163.59-619,405,299.08-132,685,134.50

Finding the Fourth Proportional to 412,898,163.59, 619,405,299.08 and 132,685,134.50

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Solution

The fourth proportional to 412,898,163.59, 619,405,299.08 and 132,685,134.50 is: 199,046,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,898,163.59 : 619,405,299.08 = 132,685,134.50 : x
  2. Step 2: Convert to fraction form
    412,898,163.59/619,405,299.08 = 132,685,134.50/x
  3. Step 3: Cross multiply
    412,898,163.59x = 619,405,299.08 × 132,685,134.50
  4. Step 4: Simplify right side
    412,898,163.59x = 82,185,875,419,327,616
  5. Step 5: Solve for x
    x = 82,185,875,419,327,616/412,898,163.59
  6. Step 6: Final answer
    x = 199,046,357.35

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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.