Home / 455,150,841.35-682,649,257.43-127,550,956.92

Finding the Fourth Proportional to 455,150,841.35, 682,649,257.43 and 127,550,956.92

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Solution

The fourth proportional to 455,150,841.35, 682,649,257.43 and 127,550,956.92 is: 191,304,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,150,841.35 : 682,649,257.43 = 127,550,956.92 : x
  2. Step 2: Convert to fraction form
    455,150,841.35/682,649,257.43 = 127,550,956.92/x
  3. Step 3: Cross multiply
    455,150,841.35x = 682,649,257.43 × 127,550,956.92
  4. Step 4: Simplify right side
    455,150,841.35x = 87,072,566,025,286,160
  5. Step 5: Solve for x
    x = 87,072,566,025,286,160/455,150,841.35
  6. Step 6: Final answer
    x = 191,304,855.70

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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.