Home / 327,315,978,043.20-490,973,967,064.80-193,423,457,044.80

Finding the Fourth Proportional to 327,315,978,043.20, 490,973,967,064.80 and 193,423,457,044.80

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Solution

The fourth proportional to 327,315,978,043.20, 490,973,967,064.80 and 193,423,457,044.80 is: 290,135,185,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,315,978,043.20 : 490,973,967,064.80 = 193,423,457,044.80 : x
  2. Step 2: Convert to fraction form
    327,315,978,043.20/490,973,967,064.80 = 193,423,457,044.80/x
  3. Step 3: Cross multiply
    327,315,978,043.20x = 490,973,967,064.80 × 193,423,457,044.80
  4. Step 4: Simplify right side
    327,315,978,043.20x = 94,965,882,028,673,376,190,464
  5. Step 5: Solve for x
    x = 94,965,882,028,673,376,190,464/327,315,978,043.20
  6. Step 6: Final answer
    x = 290,135,185,567.20

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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.