Home / 1,086,086,613.92-1,498,848,882-640,068,801.44

Finding the Fourth Proportional to 1,086,086,613.92, 1,498,848,882 and 640,068,801.44

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Solution

The fourth proportional to 1,086,086,613.92, 1,498,848,882 and 640,068,801.44 is: 883,324,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,086,613.92 : 1,498,848,882 = 640,068,801.44 : x
  2. Step 2: Convert to fraction form
    1,086,086,613.92/1,498,848,882 = 640,068,801.44/x
  3. Step 3: Cross multiply
    1,086,086,613.92x = 1,498,848,882 × 640,068,801.44
  4. Step 4: Simplify right side
    1,086,086,613.92x = 959,366,407,441,424,128
  5. Step 5: Solve for x
    x = 959,366,407,441,424,128/1,086,086,613.92
  6. Step 6: Final answer
    x = 883,324,032.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.