Home / 654,667,852.57-982,131,142.30-240,148,522.71

Finding the Fourth Proportional to 654,667,852.57, 982,131,142.30 and 240,148,522.71

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Solution

The fourth proportional to 654,667,852.57, 982,131,142.30 and 240,148,522.71 is: 360,270,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,667,852.57 : 982,131,142.30 = 240,148,522.71 : x
  2. Step 2: Convert to fraction form
    654,667,852.57/982,131,142.30 = 240,148,522.71/x
  3. Step 3: Cross multiply
    654,667,852.57x = 982,131,142.30 × 240,148,522.71
  4. Step 4: Simplify right side
    654,667,852.57x = 235,857,342,930,229,440
  5. Step 5: Solve for x
    x = 235,857,342,930,229,440/654,667,852.57
  6. Step 6: Final answer
    x = 360,270,237.81

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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.