Home / 320,339,118.35-442,071,462.78-188,185,684.88

Finding the Fourth Proportional to 320,339,118.35, 442,071,462.78 and 188,185,684.88

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Solution

The fourth proportional to 320,339,118.35, 442,071,462.78 and 188,185,684.88 is: 259,698,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,339,118.35 : 442,071,462.78 = 188,185,684.88 : x
  2. Step 2: Convert to fraction form
    320,339,118.35/442,071,462.78 = 188,185,684.88/x
  3. Step 3: Cross multiply
    320,339,118.35x = 442,071,462.78 × 188,185,684.88
  4. Step 4: Simplify right side
    320,339,118.35x = 83,191,520,986,006,432
  5. Step 5: Solve for x
    x = 83,191,520,986,006,432/320,339,118.35
  6. Step 6: Final answer
    x = 259,698,289.16

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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.