Home / 794,313,810.60-1,191,470,715.90-219,885,138.60

Finding the Fourth Proportional to 794,313,810.60, 1,191,470,715.90 and 219,885,138.60

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Solution

The fourth proportional to 794,313,810.60, 1,191,470,715.90 and 219,885,138.60 is: 329,827,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,313,810.60 : 1,191,470,715.90 = 219,885,138.60 : x
  2. Step 2: Convert to fraction form
    794,313,810.60/1,191,470,715.90 = 219,885,138.60/x
  3. Step 3: Cross multiply
    794,313,810.60x = 1,191,470,715.90 × 219,885,138.60
  4. Step 4: Simplify right side
    794,313,810.60x = 261,986,703,503,512,736
  5. Step 5: Solve for x
    x = 261,986,703,503,512,736/794,313,810.60
  6. Step 6: Final answer
    x = 329,827,707.90

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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.