Home / 812,343,194,265.45-1,218,519,983,894-238,656,960,695.23

Finding the Fourth Proportional to 812,343,194,265.45, 1,218,519,983,894 and 238,656,960,695.23

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Solution

The fourth proportional to 812,343,194,265.45, 1,218,519,983,894 and 238,656,960,695.23 is: 357,986,966,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,343,194,265.45 : 1,218,519,983,894 = 238,656,960,695.23 : x
  2. Step 2: Convert to fraction form
    812,343,194,265.45/1,218,519,983,894 = 238,656,960,695.23/x
  3. Step 3: Cross multiply
    812,343,194,265.45x = 1,218,519,983,894 × 238,656,960,695.23
  4. Step 4: Simplify right side
    812,343,194,265.45x = 290,808,275,902,542,647,394,304
  5. Step 5: Solve for x
    x = 290,808,275,902,542,647,394,304/812,343,194,265.45
  6. Step 6: Final answer
    x = 357,986,966,537.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.