Home / 619,453,104.85-929,319,644.45-204,928,947.19

Finding the Fourth Proportional to 619,453,104.85, 929,319,644.45 and 204,928,947.19

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Solution

The fourth proportional to 619,453,104.85, 929,319,644.45 and 204,928,947.19 is: 307,439,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,453,104.85 : 929,319,644.45 = 204,928,947.19 : x
  2. Step 2: Convert to fraction form
    619,453,104.85/929,319,644.45 = 204,928,947.19/x
  3. Step 3: Cross multiply
    619,453,104.85x = 929,319,644.45 × 204,928,947.19
  4. Step 4: Simplify right side
    619,453,104.85x = 190,444,496,340,123,648
  5. Step 5: Solve for x
    x = 190,444,496,340,123,648/619,453,104.85
  6. Step 6: Final answer
    x = 307,439,731.67

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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.