Home / 2,978,372,428.80-4,467,558,643.20-2,692,669,747.20

Finding the Fourth Proportional to 2,978,372,428.80, 4,467,558,643.20 and 2,692,669,747.20

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Solution

The fourth proportional to 2,978,372,428.80, 4,467,558,643.20 and 2,692,669,747.20 is: 4,039,004,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,372,428.80 : 4,467,558,643.20 = 2,692,669,747.20 : x
  2. Step 2: Convert to fraction form
    2,978,372,428.80/4,467,558,643.20 = 2,692,669,747.20/x
  3. Step 3: Cross multiply
    2,978,372,428.80x = 4,467,558,643.20 × 2,692,669,747.20
  4. Step 4: Simplify right side
    2,978,372,428.80x = 12,029,660,002,386,518,016
  5. Step 5: Solve for x
    x = 12,029,660,002,386,518,016/2,978,372,428.80
  6. Step 6: Final answer
    x = 4,039,004,620.80

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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.