Home / 6,119,599,286.80-9,179,398,930.20-1,982,012,237.20

Finding the Fourth Proportional to 6,119,599,286.80, 9,179,398,930.20 and 1,982,012,237.20

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Solution

The fourth proportional to 6,119,599,286.80, 9,179,398,930.20 and 1,982,012,237.20 is: 2,973,018,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119,599,286.80 : 9,179,398,930.20 = 1,982,012,237.20 : x
  2. Step 2: Convert to fraction form
    6,119,599,286.80/9,179,398,930.20 = 1,982,012,237.20/x
  3. Step 3: Cross multiply
    6,119,599,286.80x = 9,179,398,930.20 × 1,982,012,237.20
  4. Step 4: Simplify right side
    6,119,599,286.80x = 18,193,681,009,796,990,976
  5. Step 5: Solve for x
    x = 18,193,681,009,796,990,976/6,119,599,286.80
  6. Step 6: Final answer
    x = 2,973,018,355.80

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Double scale
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Similar ratio
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1.5x scale

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.