Home / 1,289,867,371.26-1,934,781,613.76-580,314,845.84

Finding the Fourth Proportional to 1,289,867,371.26, 1,934,781,613.76 and 580,314,845.84

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Solution

The fourth proportional to 1,289,867,371.26, 1,934,781,613.76 and 580,314,845.84 is: 870,463,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,867,371.26 : 1,934,781,613.76 = 580,314,845.84 : x
  2. Step 2: Convert to fraction form
    1,289,867,371.26/1,934,781,613.76 = 580,314,845.84/x
  3. Step 3: Cross multiply
    1,289,867,371.26x = 1,934,781,613.76 × 580,314,845.84
  4. Step 4: Simplify right side
    1,289,867,371.26x = 1,122,782,493,923,200,896
  5. Step 5: Solve for x
    x = 1,122,782,493,923,200,896/1,289,867,371.26
  6. Step 6: Final answer
    x = 870,463,521.24

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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.