Home / 354,327,369.60-531,491,054.40-320,315,145.60

Finding the Fourth Proportional to 354,327,369.60, 531,491,054.40 and 320,315,145.60

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Solution

The fourth proportional to 354,327,369.60, 531,491,054.40 and 320,315,145.60 is: 480,472,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,327,369.60 : 531,491,054.40 = 320,315,145.60 : x
  2. Step 2: Convert to fraction form
    354,327,369.60/531,491,054.40 = 320,315,145.60/x
  3. Step 3: Cross multiply
    354,327,369.60x = 531,491,054.40 × 320,315,145.60
  4. Step 4: Simplify right side
    354,327,369.60x = 170,244,634,475,233,536
  5. Step 5: Solve for x
    x = 170,244,634,475,233,536/354,327,369.60
  6. Step 6: Final answer
    x = 480,472,718.40

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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.