Home / 561,854,080.20-842,214,249.90-255,366,150.60

Finding the Fourth Proportional to 561,854,080.20, 842,214,249.90 and 255,366,150.60

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Solution

The fourth proportional to 561,854,080.20, 842,214,249.90 and 255,366,150.60 is: 382,791,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,854,080.20 : 842,214,249.90 = 255,366,150.60 : x
  2. Step 2: Convert to fraction form
    561,854,080.20/842,214,249.90 = 255,366,150.60/x
  3. Step 3: Cross multiply
    561,854,080.20x = 842,214,249.90 × 255,366,150.60
  4. Step 4: Simplify right side
    561,854,080.20x = 215,073,010,977,429,408
  5. Step 5: Solve for x
    x = 215,073,010,977,429,408/561,854,080.20
  6. Step 6: Final answer
    x = 382,791,579.80

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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.