Home / 669,219,624,447.72-1,004,026,385,509.20-215,930,024,976.86

Finding the Fourth Proportional to 669,219,624,447.72, 1,004,026,385,509.20 and 215,930,024,976.86

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Solution

The fourth proportional to 669,219,624,447.72, 1,004,026,385,509.20 and 215,930,024,976.86 is: 323,958,584,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,219,624,447.72 : 1,004,026,385,509.20 = 215,930,024,976.86 : x
  2. Step 2: Convert to fraction form
    669,219,624,447.72/1,004,026,385,509.20 = 215,930,024,976.86/x
  3. Step 3: Cross multiply
    669,219,624,447.72x = 1,004,026,385,509.20 × 215,930,024,976.86
  4. Step 4: Simplify right side
    669,219,624,447.72x = 216,799,442,500,427,999,870,976
  5. Step 5: Solve for x
    x = 216,799,442,500,427,999,870,976/669,219,624,447.72
  6. Step 6: Final answer
    x = 323,958,584,865.68

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Double scale
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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.