Home / 422,981,624.16-634,328,729.28-146,568,346.56

Finding the Fourth Proportional to 422,981,624.16, 634,328,729.28 and 146,568,346.56

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Solution

The fourth proportional to 422,981,624.16, 634,328,729.28 and 146,568,346.56 is: 219,802,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,981,624.16 : 634,328,729.28 = 146,568,346.56 : x
  2. Step 2: Convert to fraction form
    422,981,624.16/634,328,729.28 = 146,568,346.56/x
  3. Step 3: Cross multiply
    422,981,624.16x = 634,328,729.28 × 146,568,346.56
  4. Step 4: Simplify right side
    422,981,624.16x = 92,972,513,026,075,456
  5. Step 5: Solve for x
    x = 92,972,513,026,075,456/422,981,624.16
  6. Step 6: Final answer
    x = 219,802,723.61

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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.