Home / 375,291,815.20-562,447,453.84-209,288,695.56

Finding the Fourth Proportional to 375,291,815.20, 562,447,453.84 and 209,288,695.56

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Solution

The fourth proportional to 375,291,815.20, 562,447,453.84 and 209,288,695.56 is: 313,659,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,291,815.20 : 562,447,453.84 = 209,288,695.56 : x
  2. Step 2: Convert to fraction form
    375,291,815.20/562,447,453.84 = 209,288,695.56/x
  3. Step 3: Cross multiply
    375,291,815.20x = 562,447,453.84 × 209,288,695.56
  4. Step 4: Simplify right side
    375,291,815.20x = 117,713,893,935,216,928
  5. Step 5: Solve for x
    x = 117,713,893,935,216,928/375,291,815.20
  6. Step 6: Final answer
    x = 313,659,635.43

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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.