Home / 616,297,785.77-850,400,140.23-374,770,546.80

Finding the Fourth Proportional to 616,297,785.77, 850,400,140.23 and 374,770,546.80

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Solution

The fourth proportional to 616,297,785.77, 850,400,140.23 and 374,770,546.80 is: 517,128,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,297,785.77 : 850,400,140.23 = 374,770,546.80 : x
  2. Step 2: Convert to fraction form
    616,297,785.77/850,400,140.23 = 374,770,546.80/x
  3. Step 3: Cross multiply
    616,297,785.77x = 850,400,140.23 × 374,770,546.80
  4. Step 4: Simplify right side
    616,297,785.77x = 318,704,925,552,793,792
  5. Step 5: Solve for x
    x = 318,704,925,552,793,792/616,297,785.77
  6. Step 6: Final answer
    x = 517,128,136.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.