Home / 470,026,845.24-648,435,822.96-293,508,383.59

Finding the Fourth Proportional to 470,026,845.24, 648,435,822.96 and 293,508,383.59

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Solution

The fourth proportional to 470,026,845.24, 648,435,822.96 and 293,508,383.59 is: 404,915,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,026,845.24 : 648,435,822.96 = 293,508,383.59 : x
  2. Step 2: Convert to fraction form
    470,026,845.24/648,435,822.96 = 293,508,383.59/x
  3. Step 3: Cross multiply
    470,026,845.24x = 648,435,822.96 × 293,508,383.59
  4. Step 4: Simplify right side
    470,026,845.24x = 190,321,350,258,840,992
  5. Step 5: Solve for x
    x = 190,321,350,258,840,992/470,026,845.24
  6. Step 6: Final answer
    x = 404,915,915.31

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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.