Home / 746,916,537.14-1,120,379,071.76-310,217,221.52

Finding the Fourth Proportional to 746,916,537.14, 1,120,379,071.76 and 310,217,221.52

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Solution

The fourth proportional to 746,916,537.14, 1,120,379,071.76 and 310,217,221.52 is: 465,327,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,916,537.14 : 1,120,379,071.76 = 310,217,221.52 : x
  2. Step 2: Convert to fraction form
    746,916,537.14/1,120,379,071.76 = 310,217,221.52/x
  3. Step 3: Cross multiply
    746,916,537.14x = 1,120,379,071.76 × 310,217,221.52
  4. Step 4: Simplify right side
    746,916,537.14x = 347,560,882,683,390,912
  5. Step 5: Solve for x
    x = 347,560,882,683,390,912/746,916,537.14
  6. Step 6: Final answer
    x = 465,327,604.09

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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.