Home / 319,910,819.40-479,866,229.10-294,716,579.40

Finding the Fourth Proportional to 319,910,819.40, 479,866,229.10 and 294,716,579.40

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Solution

The fourth proportional to 319,910,819.40, 479,866,229.10 and 294,716,579.40 is: 442,074,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,910,819.40 : 479,866,229.10 = 294,716,579.40 : x
  2. Step 2: Convert to fraction form
    319,910,819.40/479,866,229.10 = 294,716,579.40/x
  3. Step 3: Cross multiply
    319,910,819.40x = 479,866,229.10 × 294,716,579.40
  4. Step 4: Simplify right side
    319,910,819.40x = 141,424,533,609,928,736
  5. Step 5: Solve for x
    x = 141,424,533,609,928,736/319,910,819.40
  6. Step 6: Final answer
    x = 442,074,869.10

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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.