Home / 327,470,209.65-491,205,314.48-155,283,325.65

Finding the Fourth Proportional to 327,470,209.65, 491,205,314.48 and 155,283,325.65

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Solution

The fourth proportional to 327,470,209.65, 491,205,314.48 and 155,283,325.65 is: 232,924,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,209.65 : 491,205,314.48 = 155,283,325.65 : x
  2. Step 2: Convert to fraction form
    327,470,209.65/491,205,314.48 = 155,283,325.65/x
  3. Step 3: Cross multiply
    327,470,209.65x = 491,205,314.48 × 155,283,325.65
  4. Step 4: Simplify right side
    327,470,209.65x = 76,275,994,808,632,096
  5. Step 5: Solve for x
    x = 76,275,994,808,632,096/327,470,209.65
  6. Step 6: Final answer
    x = 232,924,988.48

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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.