Home / 489,787,830.12-675,907,181.52-269,771,266.92

Finding the Fourth Proportional to 489,787,830.12, 675,907,181.52 and 269,771,266.92

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Solution

The fourth proportional to 489,787,830.12, 675,907,181.52 and 269,771,266.92 is: 372,284,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,787,830.12 : 675,907,181.52 = 269,771,266.92 : x
  2. Step 2: Convert to fraction form
    489,787,830.12/675,907,181.52 = 269,771,266.92/x
  3. Step 3: Cross multiply
    489,787,830.12x = 675,907,181.52 × 269,771,266.92
  4. Step 4: Simplify right side
    489,787,830.12x = 182,340,336,678,976,832
  5. Step 5: Solve for x
    x = 182,340,336,678,976,832/489,787,830.12
  6. Step 6: Final answer
    x = 372,284,335.11

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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.