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Finding the Fourth Proportional to 3,188,652,264.80, 4,782,978,397.20 and 2,029,260,579.20

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Solution

The fourth proportional to 3,188,652,264.80, 4,782,978,397.20 and 2,029,260,579.20 is: 3,043,890,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,652,264.80 : 4,782,978,397.20 = 2,029,260,579.20 : x
  2. Step 2: Convert to fraction form
    3,188,652,264.80/4,782,978,397.20 = 2,029,260,579.20/x
  3. Step 3: Cross multiply
    3,188,652,264.80x = 4,782,978,397.20 × 2,029,260,579.20
  4. Step 4: Simplify right side
    3,188,652,264.80x = 9,705,909,512,603,158,528
  5. Step 5: Solve for x
    x = 9,705,909,512,603,158,528/3,188,652,264.80
  6. Step 6: Final answer
    x = 3,043,890,868.80

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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.