Home / 489,787,814.34-675,907,159.77-269,771,251.14

Finding the Fourth Proportional to 489,787,814.34, 675,907,159.77 and 269,771,251.14

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Solution

The fourth proportional to 489,787,814.34, 675,907,159.77 and 269,771,251.14 is: 372,284,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,787,814.34 : 675,907,159.77 = 269,771,251.14 : x
  2. Step 2: Convert to fraction form
    489,787,814.34/675,907,159.77 = 269,771,251.14/x
  3. Step 3: Cross multiply
    489,787,814.34x = 675,907,159.77 × 269,771,251.14
  4. Step 4: Simplify right side
    489,787,814.34x = 182,340,320,145,636,768
  5. Step 5: Solve for x
    x = 182,340,320,145,636,768/489,787,814.34
  6. Step 6: Final answer
    x = 372,284,313.34

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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.