Home / 465,097,973,389.97-641,954,623,014.65-302,921,747,847.59

Finding the Fourth Proportional to 465,097,973,389.97, 641,954,623,014.65 and 302,921,747,847.59

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Solution

The fourth proportional to 465,097,973,389.97, 641,954,623,014.65 and 302,921,747,847.59 is: 418,109,790,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,097,973,389.97 : 641,954,623,014.65 = 302,921,747,847.59 : x
  2. Step 2: Convert to fraction form
    465,097,973,389.97/641,954,623,014.65 = 302,921,747,847.59/x
  3. Step 3: Cross multiply
    465,097,973,389.97x = 641,954,623,014.65 × 302,921,747,847.59
  4. Step 4: Simplify right side
    465,097,973,389.97x = 194,462,016,442,438,537,707,520
  5. Step 5: Solve for x
    x = 194,462,016,442,438,537,707,520/465,097,973,389.97
  6. Step 6: Final answer
    x = 418,109,790,986.74

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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.