Home / 1,761,533,134.54-2,640,554,370.21-827,183,404.15

Finding the Fourth Proportional to 1,761,533,134.54, 2,640,554,370.21 and 827,183,404.15

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Solution

The fourth proportional to 1,761,533,134.54, 2,640,554,370.21 and 827,183,404.15 is: 1,239,955,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,533,134.54 : 2,640,554,370.21 = 827,183,404.15 : x
  2. Step 2: Convert to fraction form
    1,761,533,134.54/2,640,554,370.21 = 827,183,404.15/x
  3. Step 3: Cross multiply
    1,761,533,134.54x = 2,640,554,370.21 × 827,183,404.15
  4. Step 4: Simplify right side
    1,761,533,134.54x = 2,184,222,752,786,865,920
  5. Step 5: Solve for x
    x = 2,184,222,752,786,865,920/1,761,533,134.54
  6. Step 6: Final answer
    x = 1,239,955,530.76

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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.