Home / 357,518,255.36-493,375,009.92-200,885,976.32

Finding the Fourth Proportional to 357,518,255.36, 493,375,009.92 and 200,885,976.32

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Solution

The fourth proportional to 357,518,255.36, 493,375,009.92 and 200,885,976.32 is: 277,222,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,518,255.36 : 493,375,009.92 = 200,885,976.32 : x
  2. Step 2: Convert to fraction form
    357,518,255.36/493,375,009.92 = 200,885,976.32/x
  3. Step 3: Cross multiply
    357,518,255.36x = 493,375,009.92 × 200,885,976.32
  4. Step 4: Simplify right side
    357,518,255.36x = 99,112,120,559,668,880
  5. Step 5: Solve for x
    x = 99,112,120,559,668,880/357,518,255.36
  6. Step 6: Final answer
    x = 277,222,544.79

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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.