Home / 815,637,414.51-1,125,383,287.21-476,353,481.17

Finding the Fourth Proportional to 815,637,414.51, 1,125,383,287.21 and 476,353,481.17

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Solution

The fourth proportional to 815,637,414.51, 1,125,383,287.21 and 476,353,481.17 is: 657,253,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,637,414.51 : 1,125,383,287.21 = 476,353,481.17 : x
  2. Step 2: Convert to fraction form
    815,637,414.51/1,125,383,287.21 = 476,353,481.17/x
  3. Step 3: Cross multiply
    815,637,414.51x = 1,125,383,287.21 × 476,353,481.17
  4. Step 4: Simplify right side
    815,637,414.51x = 536,080,246,513,021,504
  5. Step 5: Solve for x
    x = 536,080,246,513,021,504/815,637,414.51
  6. Step 6: Final answer
    x = 657,253,133.53

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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.