Home / 1,819,443,926.76-2,721,985,082.64-1,378,058,097.39

Finding the Fourth Proportional to 1,819,443,926.76, 2,721,985,082.64 and 1,378,058,097.39

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Solution

The fourth proportional to 1,819,443,926.76, 2,721,985,082.64 and 1,378,058,097.39 is: 2,061,648,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,443,926.76 : 2,721,985,082.64 = 1,378,058,097.39 : x
  2. Step 2: Convert to fraction form
    1,819,443,926.76/2,721,985,082.64 = 1,378,058,097.39/x
  3. Step 3: Cross multiply
    1,819,443,926.76x = 2,721,985,082.64 × 1,378,058,097.39
  4. Step 4: Simplify right side
    1,819,443,926.76x = 3,751,053,584,106,840,576
  5. Step 5: Solve for x
    x = 3,751,053,584,106,840,576/1,819,443,926.76
  6. Step 6: Final answer
    x = 2,061,648,358.02

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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.