Home / 449,172,829.80-673,759,244.70-219,023,447.40

Finding the Fourth Proportional to 449,172,829.80, 673,759,244.70 and 219,023,447.40

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Solution

The fourth proportional to 449,172,829.80, 673,759,244.70 and 219,023,447.40 is: 328,535,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,172,829.80 : 673,759,244.70 = 219,023,447.40 : x
  2. Step 2: Convert to fraction form
    449,172,829.80/673,759,244.70 = 219,023,447.40/x
  3. Step 3: Cross multiply
    449,172,829.80x = 673,759,244.70 × 219,023,447.40
  4. Step 4: Simplify right side
    449,172,829.80x = 147,569,072,491,814,208
  5. Step 5: Solve for x
    x = 147,569,072,491,814,208/449,172,829.80
  6. Step 6: Final answer
    x = 328,535,171.10

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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.