Home / 405,476,082.12-559,568,797.56-229,260,294.12

Finding the Fourth Proportional to 405,476,082.12, 559,568,797.56 and 229,260,294.12

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Solution

The fourth proportional to 405,476,082.12, 559,568,797.56 and 229,260,294.12 is: 316,385,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,476,082.12 : 559,568,797.56 = 229,260,294.12 : x
  2. Step 2: Convert to fraction form
    405,476,082.12/559,568,797.56 = 229,260,294.12/x
  3. Step 3: Cross multiply
    405,476,082.12x = 559,568,797.56 × 229,260,294.12
  4. Step 4: Simplify right side
    405,476,082.12x = 128,286,907,108,980,320
  5. Step 5: Solve for x
    x = 128,286,907,108,980,320/405,476,082.12
  6. Step 6: Final answer
    x = 316,385,880.12

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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.