Home / 431,289,314.20-646,933,971.30-431,289,314.20

Finding the Fourth Proportional to 431,289,314.20, 646,933,971.30 and 431,289,314.20

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Solution

The fourth proportional to 431,289,314.20, 646,933,971.30 and 431,289,314.20 is: 646,933,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,289,314.20 : 646,933,971.30 = 431,289,314.20 : x
  2. Step 2: Convert to fraction form
    431,289,314.20/646,933,971.30 = 431,289,314.20/x
  3. Step 3: Cross multiply
    431,289,314.20x = 646,933,971.30 × 431,289,314.20
  4. Step 4: Simplify right side
    431,289,314.20x = 279,015,708,814,659,456
  5. Step 5: Solve for x
    x = 279,015,708,814,659,456/431,289,314.20
  6. Step 6: Final answer
    x = 646,933,971.30

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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.