Home / 1,640,444,865.78-2,460,673,682.61-396,873,334.23

Finding the Fourth Proportional to 1,640,444,865.78, 2,460,673,682.61 and 396,873,334.23

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Solution

The fourth proportional to 1,640,444,865.78, 2,460,673,682.61 and 396,873,334.23 is: 595,311,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,444,865.78 : 2,460,673,682.61 = 396,873,334.23 : x
  2. Step 2: Convert to fraction form
    1,640,444,865.78/2,460,673,682.61 = 396,873,334.23/x
  3. Step 3: Cross multiply
    1,640,444,865.78x = 2,460,673,682.61 × 396,873,334.23
  4. Step 4: Simplify right side
    1,640,444,865.78x = 976,575,768,869,443,584
  5. Step 5: Solve for x
    x = 976,575,768,869,443,584/1,640,444,865.78
  6. Step 6: Final answer
    x = 595,311,545.81

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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.