Home / 409,318,506.45-613,977,759.68-225,014,767.65

Finding the Fourth Proportional to 409,318,506.45, 613,977,759.68 and 225,014,767.65

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Solution

The fourth proportional to 409,318,506.45, 613,977,759.68 and 225,014,767.65 is: 337,522,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,318,506.45 : 613,977,759.68 = 225,014,767.65 : x
  2. Step 2: Convert to fraction form
    409,318,506.45/613,977,759.68 = 225,014,767.65/x
  3. Step 3: Cross multiply
    409,318,506.45x = 613,977,759.68 × 225,014,767.65
  4. Step 4: Simplify right side
    409,318,506.45x = 138,154,062,935,537,664
  5. Step 5: Solve for x
    x = 138,154,062,935,537,664/409,318,506.45
  6. Step 6: Final answer
    x = 337,522,151.48

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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.