Home / 411,708,449.70-617,597,550.38-131,629,742.48

Finding the Fourth Proportional to 411,708,449.70, 617,597,550.38 and 131,629,742.48

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Solution

The fourth proportional to 411,708,449.70, 617,597,550.38 and 131,629,742.48 is: 197,455,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,708,449.70 : 617,597,550.38 = 131,629,742.48 : x
  2. Step 2: Convert to fraction form
    411,708,449.70/617,597,550.38 = 131,629,742.48/x
  3. Step 3: Cross multiply
    411,708,449.70x = 617,597,550.38 × 131,629,742.48
  4. Step 4: Simplify right side
    411,708,449.70x = 81,294,206,514,671,296
  5. Step 5: Solve for x
    x = 81,294,206,514,671,296/411,708,449.70
  6. Step 6: Final answer
    x = 197,455,764.08

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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.