Home / 789,794,893.80-1,184,692,340.70-381,648,205.80

Finding the Fourth Proportional to 789,794,893.80, 1,184,692,340.70 and 381,648,205.80

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Solution

The fourth proportional to 789,794,893.80, 1,184,692,340.70 and 381,648,205.80 is: 572,472,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,794,893.80 : 1,184,692,340.70 = 381,648,205.80 : x
  2. Step 2: Convert to fraction form
    789,794,893.80/1,184,692,340.70 = 381,648,205.80/x
  3. Step 3: Cross multiply
    789,794,893.80x = 1,184,692,340.70 × 381,648,205.80
  4. Step 4: Simplify right side
    789,794,893.80x = 452,135,706,253,157,376
  5. Step 5: Solve for x
    x = 452,135,706,253,157,376/789,794,893.80
  6. Step 6: Final answer
    x = 572,472,308.70

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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.