Home / 641,793,892.56-962,782,247.32-199,174,813.88

Finding the Fourth Proportional to 641,793,892.56, 962,782,247.32 and 199,174,813.88

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Solution

The fourth proportional to 641,793,892.56, 962,782,247.32 and 199,174,813.88 is: 298,790,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,793,892.56 : 962,782,247.32 = 199,174,813.88 : x
  2. Step 2: Convert to fraction form
    641,793,892.56/962,782,247.32 = 199,174,813.88/x
  3. Step 3: Cross multiply
    641,793,892.56x = 962,782,247.32 × 199,174,813.88
  4. Step 4: Simplify right side
    641,793,892.56x = 191,761,974,916,929,120
  5. Step 5: Solve for x
    x = 191,761,974,916,929,120/641,793,892.56
  6. Step 6: Final answer
    x = 298,790,588.60

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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.