Home / 312,770,136.50-466,391,845.09-309,962,851.26

Finding the Fourth Proportional to 312,770,136.50, 466,391,845.09 and 309,962,851.26

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Solution

The fourth proportional to 312,770,136.50, 466,391,845.09 and 309,962,851.26 is: 462,205,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,770,136.50 : 466,391,845.09 = 309,962,851.26 : x
  2. Step 2: Convert to fraction form
    312,770,136.50/466,391,845.09 = 309,962,851.26/x
  3. Step 3: Cross multiply
    312,770,136.50x = 466,391,845.09 × 309,962,851.26
  4. Step 4: Simplify right side
    312,770,136.50x = 144,564,146,108,508,608
  5. Step 5: Solve for x
    x = 144,564,146,108,508,608/312,770,136.50
  6. Step 6: Final answer
    x = 462,205,719.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.