Home / 304,439,215.24-420,126,391.77-165,209,978.38

Finding the Fourth Proportional to 304,439,215.24, 420,126,391.77 and 165,209,978.38

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Solution

The fourth proportional to 304,439,215.24, 420,126,391.77 and 165,209,978.38 is: 227,989,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,439,215.24 : 420,126,391.77 = 165,209,978.38 : x
  2. Step 2: Convert to fraction form
    304,439,215.24/420,126,391.77 = 165,209,978.38/x
  3. Step 3: Cross multiply
    304,439,215.24x = 420,126,391.77 × 165,209,978.38
  4. Step 4: Simplify right side
    304,439,215.24x = 69,409,072,101,189,104
  5. Step 5: Solve for x
    x = 69,409,072,101,189,104/304,439,215.24
  6. Step 6: Final answer
    x = 227,989,919.26

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1.5x scale

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.