Home / 320,991,100.08-480,794,844.66-216,787,300.02

Finding the Fourth Proportional to 320,991,100.08, 480,794,844.66 and 216,787,300.02

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Solution

The fourth proportional to 320,991,100.08, 480,794,844.66 and 216,787,300.02 is: 324,713,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,991,100.08 : 480,794,844.66 = 216,787,300.02 : x
  2. Step 2: Convert to fraction form
    320,991,100.08/480,794,844.66 = 216,787,300.02/x
  3. Step 3: Cross multiply
    320,991,100.08x = 480,794,844.66 × 216,787,300.02
  4. Step 4: Simplify right side
    320,991,100.08x = 104,230,216,237,376,720
  5. Step 5: Solve for x
    x = 104,230,216,237,376,720/320,991,100.08
  6. Step 6: Final answer
    x = 324,713,726.37

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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.