Home / 619,453,109.60-929,319,651.58-204,928,951.94

Finding the Fourth Proportional to 619,453,109.60, 929,319,651.58 and 204,928,951.94

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Solution

The fourth proportional to 619,453,109.60, 929,319,651.58 and 204,928,951.94 is: 307,439,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,453,109.60 : 929,319,651.58 = 204,928,951.94 : x
  2. Step 2: Convert to fraction form
    619,453,109.60/929,319,651.58 = 204,928,951.94/x
  3. Step 3: Cross multiply
    619,453,109.60x = 929,319,651.58 × 204,928,951.94
  4. Step 4: Simplify right side
    619,453,109.60x = 190,444,502,215,535,360
  5. Step 5: Solve for x
    x = 190,444,502,215,535,360/619,453,109.60
  6. Step 6: Final answer
    x = 307,439,738.80

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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.