Home / 30,775,172,014.20-46,162,758,021.30-20,979,651,502.20

Finding the Fourth Proportional to 30,775,172,014.20, 46,162,758,021.30 and 20,979,651,502.20

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Solution

The fourth proportional to 30,775,172,014.20, 46,162,758,021.30 and 20,979,651,502.20 is: 31,469,477,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775,172,014.20 : 46,162,758,021.30 = 20,979,651,502.20 : x
  2. Step 2: Convert to fraction form
    30,775,172,014.20/46,162,758,021.30 = 20,979,651,502.20/x
  3. Step 3: Cross multiply
    30,775,172,014.20x = 46,162,758,021.30 × 20,979,651,502.20
  4. Step 4: Simplify right side
    30,775,172,014.20x = 968,478,575,667,261,734,912
  5. Step 5: Solve for x
    x = 968,478,575,667,261,734,912/30,775,172,014.20
  6. Step 6: Final answer
    x = 31,469,477,253.30

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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.