Home / 1,491,128,617.75-2,237,015,793.44-571,004,989.18

Finding the Fourth Proportional to 1,491,128,617.75, 2,237,015,793.44 and 571,004,989.18

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Solution

The fourth proportional to 1,491,128,617.75, 2,237,015,793.44 and 571,004,989.18 is: 856,631,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,128,617.75 : 2,237,015,793.44 = 571,004,989.18 : x
  2. Step 2: Convert to fraction form
    1,491,128,617.75/2,237,015,793.44 = 571,004,989.18/x
  3. Step 3: Cross multiply
    1,491,128,617.75x = 2,237,015,793.44 × 571,004,989.18
  4. Step 4: Simplify right side
    1,491,128,617.75x = 1,277,347,178,928,696,320
  5. Step 5: Solve for x
    x = 1,277,347,178,928,696,320/1,491,128,617.75
  6. Step 6: Final answer
    x = 856,631,120.70

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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.