Home / 13,011,305,867.12-17,948,993,890.75-8,497,826,903.04

Finding the Fourth Proportional to 13,011,305,867.12, 17,948,993,890.75 and 8,497,826,903.04

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Solution

The fourth proportional to 13,011,305,867.12, 17,948,993,890.75 and 8,497,826,903.04 is: 11,722,685,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,305,867.12 : 17,948,993,890.75 = 8,497,826,903.04 : x
  2. Step 2: Convert to fraction form
    13,011,305,867.12/17,948,993,890.75 = 8,497,826,903.04/x
  3. Step 3: Cross multiply
    13,011,305,867.12x = 17,948,993,890.75 × 8,497,826,903.04
  4. Step 4: Simplify right side
    13,011,305,867.12x = 152,527,443,167,315,951,616
  5. Step 5: Solve for x
    x = 152,527,443,167,315,951,616/13,011,305,867.12
  6. Step 6: Final answer
    x = 11,722,685,234.29

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1.5x scale

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.