Home / 324,586,321.74-447,977,199.51-205,519,980.78

Finding the Fourth Proportional to 324,586,321.74, 447,977,199.51 and 205,519,980.78

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Solution

The fourth proportional to 324,586,321.74, 447,977,199.51 and 205,519,980.78 is: 283,648,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,586,321.74 : 447,977,199.51 = 205,519,980.78 : x
  2. Step 2: Convert to fraction form
    324,586,321.74/447,977,199.51 = 205,519,980.78/x
  3. Step 3: Cross multiply
    324,586,321.74x = 447,977,199.51 × 205,519,980.78
  4. Step 4: Simplify right side
    324,586,321.74x = 92,068,265,433,173,424
  5. Step 5: Solve for x
    x = 92,068,265,433,173,424/324,586,321.74
  6. Step 6: Final answer
    x = 283,648,013.69

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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.