Home / 20,439,650,387.44-30,659,228,956.81-5,311,879,565.10

Finding the Fourth Proportional to 20,439,650,387.44, 30,659,228,956.81 and 5,311,879,565.10

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Solution

The fourth proportional to 20,439,650,387.44, 30,659,228,956.81 and 5,311,879,565.10 is: 7,967,755,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439,650,387.44 : 30,659,228,956.81 = 5,311,879,565.10 : x
  2. Step 2: Convert to fraction form
    20,439,650,387.44/30,659,228,956.81 = 5,311,879,565.10/x
  3. Step 3: Cross multiply
    20,439,650,387.44x = 30,659,228,956.81 × 5,311,879,565.10
  4. Step 4: Simplify right side
    20,439,650,387.44x = 162,858,131,777,401,257,984
  5. Step 5: Solve for x
    x = 162,858,131,777,401,257,984/20,439,650,387.44
  6. Step 6: Final answer
    x = 7,967,755,254.63

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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.