Home / 1,260,387,964.45-1,890,863,023.16-387,077,466.97

Finding the Fourth Proportional to 1,260,387,964.45, 1,890,863,023.16 and 387,077,466.97

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Solution

The fourth proportional to 1,260,387,964.45, 1,890,863,023.16 and 387,077,466.97 is: 580,702,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,387,964.45 : 1,890,863,023.16 = 387,077,466.97 : x
  2. Step 2: Convert to fraction form
    1,260,387,964.45/1,890,863,023.16 = 387,077,466.97/x
  3. Step 3: Cross multiply
    1,260,387,964.45x = 1,890,863,023.16 × 387,077,466.97
  4. Step 4: Simplify right side
    1,260,387,964.45x = 731,910,469,392,009,344
  5. Step 5: Solve for x
    x = 731,910,469,392,009,344/1,260,387,964.45
  6. Step 6: Final answer
    x = 580,702,521.79

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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.