Home / 6,119,631,858.80-9,179,447,788.20-1,982,044,809.20

Finding the Fourth Proportional to 6,119,631,858.80, 9,179,447,788.20 and 1,982,044,809.20

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Solution

The fourth proportional to 6,119,631,858.80, 9,179,447,788.20 and 1,982,044,809.20 is: 2,973,067,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119,631,858.80 : 9,179,447,788.20 = 1,982,044,809.20 : x
  2. Step 2: Convert to fraction form
    6,119,631,858.80/9,179,447,788.20 = 1,982,044,809.20/x
  3. Step 3: Cross multiply
    6,119,631,858.80x = 9,179,447,788.20 × 1,982,044,809.20
  4. Step 4: Simplify right side
    6,119,631,858.80x = 18,194,076,839,924,232,192
  5. Step 5: Solve for x
    x = 18,194,076,839,924,232,192/6,119,631,858.80
  6. Step 6: Final answer
    x = 2,973,067,213.80

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Double scale
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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.