Home / 1,819,443,917.24-2,721,985,068.41-1,378,058,087.87

Finding the Fourth Proportional to 1,819,443,917.24, 2,721,985,068.41 and 1,378,058,087.87

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Solution

The fourth proportional to 1,819,443,917.24, 2,721,985,068.41 and 1,378,058,087.87 is: 2,061,648,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,443,917.24 : 2,721,985,068.41 = 1,378,058,087.87 : x
  2. Step 2: Convert to fraction form
    1,819,443,917.24/2,721,985,068.41 = 1,378,058,087.87/x
  3. Step 3: Cross multiply
    1,819,443,917.24x = 2,721,985,068.41 × 1,378,058,087.87
  4. Step 4: Simplify right side
    1,819,443,917.24x = 3,751,053,538,583,775,232
  5. Step 5: Solve for x
    x = 3,751,053,538,583,775,232/1,819,443,917.24
  6. Step 6: Final answer
    x = 2,061,648,343.78

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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.