Home / 410,953,928.70-616,368,609.30-111,846,162.78

Finding the Fourth Proportional to 410,953,928.70, 616,368,609.30 and 111,846,162.78

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Solution

The fourth proportional to 410,953,928.70, 616,368,609.30 and 111,846,162.78 is: 167,752,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,953,928.70 : 616,368,609.30 = 111,846,162.78 : x
  2. Step 2: Convert to fraction form
    410,953,928.70/616,368,609.30 = 111,846,162.78/x
  3. Step 3: Cross multiply
    410,953,928.70x = 616,368,609.30 × 111,846,162.78
  4. Step 4: Simplify right side
    410,953,928.70x = 68,938,463,808,250,016
  5. Step 5: Solve for x
    x = 68,938,463,808,250,016/410,953,928.70
  6. Step 6: Final answer
    x = 167,752,292.88

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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.