Home / 3,771,993,761.94-5,205,116,851.80-2,078,353,628.98

Finding the Fourth Proportional to 3,771,993,761.94, 5,205,116,851.80 and 2,078,353,628.98

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Solution

The fourth proportional to 3,771,993,761.94, 5,205,116,851.80 and 2,078,353,628.98 is: 2,867,998,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,993,761.94 : 5,205,116,851.80 = 2,078,353,628.98 : x
  2. Step 2: Convert to fraction form
    3,771,993,761.94/5,205,116,851.80 = 2,078,353,628.98/x
  3. Step 3: Cross multiply
    3,771,993,761.94x = 5,205,116,851.80 × 2,078,353,628.98
  4. Step 4: Simplify right side
    3,771,993,761.94x = 10,818,073,498,203,484,160
  5. Step 5: Solve for x
    x = 10,818,073,498,203,484,160/3,771,993,761.94
  6. Step 6: Final answer
    x = 2,867,998,777.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.