Home / 313,827,171.30-432,901,155.33-196,148,271.78

Finding the Fourth Proportional to 313,827,171.30, 432,901,155.33 and 196,148,271.78

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Solution

The fourth proportional to 313,827,171.30, 432,901,155.33 and 196,148,271.78 is: 270,571,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,827,171.30 : 432,901,155.33 = 196,148,271.78 : x
  2. Step 2: Convert to fraction form
    313,827,171.30/432,901,155.33 = 196,148,271.78/x
  3. Step 3: Cross multiply
    313,827,171.30x = 432,901,155.33 × 196,148,271.78
  4. Step 4: Simplify right side
    313,827,171.30x = 84,912,813,469,544,832
  5. Step 5: Solve for x
    x = 84,912,813,469,544,832/313,827,171.30
  6. Step 6: Final answer
    x = 270,571,898.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.