Home / 1,777,954,605.20-2,669,955,216.60-1,318,411,667.60

Finding the Fourth Proportional to 1,777,954,605.20, 2,669,955,216.60 and 1,318,411,667.60

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Solution

The fourth proportional to 1,777,954,605.20, 2,669,955,216.60 and 1,318,411,667.60 is: 1,979,859,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,954,605.20 : 2,669,955,216.60 = 1,318,411,667.60 : x
  2. Step 2: Convert to fraction form
    1,777,954,605.20/2,669,955,216.60 = 1,318,411,667.60/x
  3. Step 3: Cross multiply
    1,777,954,605.20x = 2,669,955,216.60 × 1,318,411,667.60
  4. Step 4: Simplify right side
    1,777,954,605.20x = 3,520,100,109,534,924,800
  5. Step 5: Solve for x
    x = 3,520,100,109,534,924,800/1,777,954,605.20
  6. Step 6: Final answer
    x = 1,979,859,384.06

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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.