Home / 465,097,973,390.97-641,954,623,016.03-302,921,747,848.59

Finding the Fourth Proportional to 465,097,973,390.97, 641,954,623,016.03 and 302,921,747,848.59

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Solution

The fourth proportional to 465,097,973,390.97, 641,954,623,016.03 and 302,921,747,848.59 is: 418,109,790,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,097,973,390.97 : 641,954,623,016.03 = 302,921,747,848.59 : x
  2. Step 2: Convert to fraction form
    465,097,973,390.97/641,954,623,016.03 = 302,921,747,848.59/x
  3. Step 3: Cross multiply
    465,097,973,390.97x = 641,954,623,016.03 × 302,921,747,848.59
  4. Step 4: Simplify right side
    465,097,973,390.97x = 194,462,016,443,498,522,214,400
  5. Step 5: Solve for x
    x = 194,462,016,443,498,522,214,400/465,097,973,390.97
  6. Step 6: Final answer
    x = 418,109,790,988.12

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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.