Home / 465,097,973,498.97-641,954,623,165.30-302,921,747,956.90

Finding the Fourth Proportional to 465,097,973,498.97, 641,954,623,165.30 and 302,921,747,956.90

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Solution

The fourth proportional to 465,097,973,498.97, 641,954,623,165.30 and 302,921,747,956.90 is: 418,109,791,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,097,973,498.97 : 641,954,623,165.30 = 302,921,747,956.90 : x
  2. Step 2: Convert to fraction form
    465,097,973,498.97/641,954,623,165.30 = 302,921,747,956.90/x
  3. Step 3: Cross multiply
    465,097,973,498.97x = 641,954,623,165.30 × 302,921,747,956.90
  4. Step 4: Simplify right side
    465,097,973,498.97x = 194,462,016,558,245,754,175,488
  5. Step 5: Solve for x
    x = 194,462,016,558,245,754,175,488/465,097,973,498.97
  6. Step 6: Final answer
    x = 418,109,791,137.75

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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.