Home / 641,154,600,626.40-961,894,687,462.83-296,803,859,300.61

Finding the Fourth Proportional to 641,154,600,626.40, 961,894,687,462.83 and 296,803,859,300.61

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Solution

The fourth proportional to 641,154,600,626.40, 961,894,687,462.83 and 296,803,859,300.61 is: 445,281,146,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,154,600,626.40 : 961,894,687,462.83 = 296,803,859,300.61 : x
  2. Step 2: Convert to fraction form
    641,154,600,626.40/961,894,687,462.83 = 296,803,859,300.61/x
  3. Step 3: Cross multiply
    641,154,600,626.40x = 961,894,687,462.83 × 296,803,859,300.61
  4. Step 4: Simplify right side
    641,154,600,626.40x = 285,494,055,479,722,014,408,704
  5. Step 5: Solve for x
    x = 285,494,055,479,722,014,408,704/641,154,600,626.40
  6. Step 6: Final answer
    x = 445,281,146,233.37

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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.