Home / 1,269,454,687.28-1,903,312,727.58-646,463,986.46

Finding the Fourth Proportional to 1,269,454,687.28, 1,903,312,727.58 and 646,463,986.46

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Solution

The fourth proportional to 1,269,454,687.28, 1,903,312,727.58 and 646,463,986.46 is: 969,253,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,454,687.28 : 1,903,312,727.58 = 646,463,986.46 : x
  2. Step 2: Convert to fraction form
    1,269,454,687.28/1,903,312,727.58 = 646,463,986.46/x
  3. Step 3: Cross multiply
    1,269,454,687.28x = 1,903,312,727.58 × 646,463,986.46
  4. Step 4: Simplify right side
    1,269,454,687.28x = 1,230,423,133,351,422,720
  5. Step 5: Solve for x
    x = 1,230,423,133,351,422,720/1,269,454,687.28
  6. Step 6: Final answer
    x = 969,253,290.94

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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.