Home / 419,771,295.33-579,286,400.13-231,599,579.10

Finding the Fourth Proportional to 419,771,295.33, 579,286,400.13 and 231,599,579.10

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Solution

The fourth proportional to 419,771,295.33, 579,286,400.13 and 231,599,579.10 is: 319,608,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,771,295.33 : 579,286,400.13 = 231,599,579.10 : x
  2. Step 2: Convert to fraction form
    419,771,295.33/579,286,400.13 = 231,599,579.10/x
  3. Step 3: Cross multiply
    419,771,295.33x = 579,286,400.13 × 231,599,579.10
  4. Step 4: Simplify right side
    419,771,295.33x = 134,162,486,448,462,176
  5. Step 5: Solve for x
    x = 134,162,486,448,462,176/419,771,295.33
  6. Step 6: Final answer
    x = 319,608,529.55

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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.