Home / 766,603,150.20-1,149,904,725.30-330,112,942.20

Finding the Fourth Proportional to 766,603,150.20, 1,149,904,725.30 and 330,112,942.20

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Solution

The fourth proportional to 766,603,150.20, 1,149,904,725.30 and 330,112,942.20 is: 495,169,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,603,150.20 : 1,149,904,725.30 = 330,112,942.20 : x
  2. Step 2: Convert to fraction form
    766,603,150.20/1,149,904,725.30 = 330,112,942.20/x
  3. Step 3: Cross multiply
    766,603,150.20x = 1,149,904,725.30 × 330,112,942.20
  4. Step 4: Simplify right side
    766,603,150.20x = 379,598,432,118,465,728
  5. Step 5: Solve for x
    x = 379,598,432,118,465,728/766,603,150.20
  6. Step 6: Final answer
    x = 495,169,413.30

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1.5x scale

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.