Home / 354,337,147.20-531,505,720.80-325,671,700.80

Finding the Fourth Proportional to 354,337,147.20, 531,505,720.80 and 325,671,700.80

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Solution

The fourth proportional to 354,337,147.20, 531,505,720.80 and 325,671,700.80 is: 488,507,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,337,147.20 : 531,505,720.80 = 325,671,700.80 : x
  2. Step 2: Convert to fraction form
    354,337,147.20/531,505,720.80 = 325,671,700.80/x
  3. Step 3: Cross multiply
    354,337,147.20x = 531,505,720.80 × 325,671,700.80
  4. Step 4: Simplify right side
    354,337,147.20x = 173,096,372,077,865,952
  5. Step 5: Solve for x
    x = 173,096,372,077,865,952/354,337,147.20
  6. Step 6: Final answer
    x = 488,507,551.20

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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.