Home / 451,961,860.40-677,942,790.60-424,752,081.20

Finding the Fourth Proportional to 451,961,860.40, 677,942,790.60 and 424,752,081.20

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Solution

The fourth proportional to 451,961,860.40, 677,942,790.60 and 424,752,081.20 is: 637,128,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,961,860.40 : 677,942,790.60 = 424,752,081.20 : x
  2. Step 2: Convert to fraction form
    451,961,860.40/677,942,790.60 = 424,752,081.20/x
  3. Step 3: Cross multiply
    451,961,860.40x = 677,942,790.60 × 424,752,081.20
  4. Step 4: Simplify right side
    451,961,860.40x = 287,957,611,241,885,792
  5. Step 5: Solve for x
    x = 287,957,611,241,885,792/451,961,860.40
  6. Step 6: Final answer
    x = 637,128,121.80

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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.