Home / 2,125,765,909.60-3,188,648,864.40-1,957,883,697.70

Finding the Fourth Proportional to 2,125,765,909.60, 3,188,648,864.40 and 1,957,883,697.70

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Solution

The fourth proportional to 2,125,765,909.60, 3,188,648,864.40 and 1,957,883,697.70 is: 2,936,825,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,765,909.60 : 3,188,648,864.40 = 1,957,883,697.70 : x
  2. Step 2: Convert to fraction form
    2,125,765,909.60/3,188,648,864.40 = 1,957,883,697.70/x
  3. Step 3: Cross multiply
    2,125,765,909.60x = 3,188,648,864.40 × 1,957,883,697.70
  4. Step 4: Simplify right side
    2,125,765,909.60x = 6,243,003,629,298,377,728
  5. Step 5: Solve for x
    x = 6,243,003,629,298,377,728/2,125,765,909.60
  6. Step 6: Final answer
    x = 2,936,825,546.55

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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.