Home / 451,961,858.40-677,942,787.60-424,752,079.20

Finding the Fourth Proportional to 451,961,858.40, 677,942,787.60 and 424,752,079.20

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Solution

The fourth proportional to 451,961,858.40, 677,942,787.60 and 424,752,079.20 is: 637,128,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,961,858.40 : 677,942,787.60 = 424,752,079.20 : x
  2. Step 2: Convert to fraction form
    451,961,858.40/677,942,787.60 = 424,752,079.20/x
  3. Step 3: Cross multiply
    451,961,858.40x = 677,942,787.60 × 424,752,079.20
  4. Step 4: Simplify right side
    451,961,858.40x = 287,957,608,611,743,968
  5. Step 5: Solve for x
    x = 287,957,608,611,743,968/451,961,858.40
  6. Step 6: Final answer
    x = 637,128,118.80

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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.