Home / 1,077,600,905.85-1,616,401,358.78-819,320,579.85

Finding the Fourth Proportional to 1,077,600,905.85, 1,616,401,358.78 and 819,320,579.85

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Solution

The fourth proportional to 1,077,600,905.85, 1,616,401,358.78 and 819,320,579.85 is: 1,228,980,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,600,905.85 : 1,616,401,358.78 = 819,320,579.85 : x
  2. Step 2: Convert to fraction form
    1,077,600,905.85/1,616,401,358.78 = 819,320,579.85/x
  3. Step 3: Cross multiply
    1,077,600,905.85x = 1,616,401,358.78 × 819,320,579.85
  4. Step 4: Simplify right side
    1,077,600,905.85x = 1,324,350,898,541,861,120
  5. Step 5: Solve for x
    x = 1,324,350,898,541,861,120/1,077,600,905.85
  6. Step 6: Final answer
    x = 1,228,980,869.78

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1.5x scale

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.