Home / 465,097,973,390.47-641,954,623,015.33-302,921,747,848.09

Finding the Fourth Proportional to 465,097,973,390.47, 641,954,623,015.33 and 302,921,747,848.09

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Solution

The fourth proportional to 465,097,973,390.47, 641,954,623,015.33 and 302,921,747,848.09 is: 418,109,790,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,097,973,390.47 : 641,954,623,015.33 = 302,921,747,848.09 : x
  2. Step 2: Convert to fraction form
    465,097,973,390.47/641,954,623,015.33 = 302,921,747,848.09/x
  3. Step 3: Cross multiply
    465,097,973,390.47x = 641,954,623,015.33 × 302,921,747,848.09
  4. Step 4: Simplify right side
    465,097,973,390.47x = 194,462,016,442,965,476,507,648
  5. Step 5: Solve for x
    x = 194,462,016,442,965,476,507,648/465,097,973,390.47
  6. Step 6: Final answer
    x = 418,109,790,987.43

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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.