Home / 398,563,321.98-549,528,734.16-327,751,469.58

Finding the Fourth Proportional to 398,563,321.98, 549,528,734.16 and 327,751,469.58

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Solution

The fourth proportional to 398,563,321.98, 549,528,734.16 and 327,751,469.58 is: 451,895,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,563,321.98 : 549,528,734.16 = 327,751,469.58 : x
  2. Step 2: Convert to fraction form
    398,563,321.98/549,528,734.16 = 327,751,469.58/x
  3. Step 3: Cross multiply
    398,563,321.98x = 549,528,734.16 × 327,751,469.58
  4. Step 4: Simplify right side
    398,563,321.98x = 180,108,850,197,377,120
  5. Step 5: Solve for x
    x = 180,108,850,197,377,120/398,563,321.98
  6. Step 6: Final answer
    x = 451,895,195.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.