Home / 397,590,601,260.03-596,469,763,281.65-128,958,718,658.55

Finding the Fourth Proportional to 397,590,601,260.03, 596,469,763,281.65 and 128,958,718,658.55

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Solution

The fourth proportional to 397,590,601,260.03, 596,469,763,281.65 and 128,958,718,658.55 is: 193,465,278,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,590,601,260.03 : 596,469,763,281.65 = 128,958,718,658.55 : x
  2. Step 2: Convert to fraction form
    397,590,601,260.03/596,469,763,281.65 = 128,958,718,658.55/x
  3. Step 3: Cross multiply
    397,590,601,260.03x = 596,469,763,281.65 × 128,958,718,658.55
  4. Step 4: Simplify right side
    397,590,601,260.03x = 76,919,976,391,370,216,570,880
  5. Step 5: Solve for x
    x = 76,919,976,391,370,216,570,880/397,590,601,260.03
  6. Step 6: Final answer
    x = 193,465,278,473.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.