Home / 10,455,094,404.20-15,682,641,606.30-8,087,843,613.80

Finding the Fourth Proportional to 10,455,094,404.20, 15,682,641,606.30 and 8,087,843,613.80

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Solution

The fourth proportional to 10,455,094,404.20, 15,682,641,606.30 and 8,087,843,613.80 is: 12,131,765,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,094,404.20 : 15,682,641,606.30 = 8,087,843,613.80 : x
  2. Step 2: Convert to fraction form
    10,455,094,404.20/15,682,641,606.30 = 8,087,843,613.80/x
  3. Step 3: Cross multiply
    10,455,094,404.20x = 15,682,641,606.30 × 8,087,843,613.80
  4. Step 4: Simplify right side
    10,455,094,404.20x = 126,838,752,763,027,619,840
  5. Step 5: Solve for x
    x = 126,838,752,763,027,619,840/10,455,094,404.20
  6. Step 6: Final answer
    x = 12,131,765,420.70

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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.