Home / 419,146,630,479.90-628,825,750,976.04-116,958,979,383.78

Finding the Fourth Proportional to 419,146,630,479.90, 628,825,750,976.04 and 116,958,979,383.78

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Solution

The fourth proportional to 419,146,630,479.90, 628,825,750,976.04 and 116,958,979,383.78 is: 175,467,993,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,146,630,479.90 : 628,825,750,976.04 = 116,958,979,383.78 : x
  2. Step 2: Convert to fraction form
    419,146,630,479.90/628,825,750,976.04 = 116,958,979,383.78/x
  3. Step 3: Cross multiply
    419,146,630,479.90x = 628,825,750,976.04 × 116,958,979,383.78
  4. Step 4: Simplify right side
    419,146,630,479.90x = 73,546,818,044,396,646,170,624
  5. Step 5: Solve for x
    x = 73,546,818,044,396,646,170,624/419,146,630,479.90
  6. Step 6: Final answer
    x = 175,467,993,051.00

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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.