Home / 2,080,128,019.20-3,120,653,923.20-699,903,571.20

Finding the Fourth Proportional to 2,080,128,019.20, 3,120,653,923.20 and 699,903,571.20

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Solution

The fourth proportional to 2,080,128,019.20, 3,120,653,923.20 and 699,903,571.20 is: 1,050,010,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,128,019.20 : 3,120,653,923.20 = 699,903,571.20 : x
  2. Step 2: Convert to fraction form
    2,080,128,019.20/3,120,653,923.20 = 699,903,571.20/x
  3. Step 3: Cross multiply
    2,080,128,019.20x = 3,120,653,923.20 × 699,903,571.20
  4. Step 4: Simplify right side
    2,080,128,019.20x = 2,184,156,825,326,970,624
  5. Step 5: Solve for x
    x = 2,184,156,825,326,970,624/2,080,128,019.20
  6. Step 6: Final answer
    x = 1,050,010,771.05

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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.