Home / 1,538,451,949.26-2,123,071,080.75-833,603,743.83

Finding the Fourth Proportional to 1,538,451,949.26, 2,123,071,080.75 and 833,603,743.83

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Solution

The fourth proportional to 1,538,451,949.26, 2,123,071,080.75 and 833,603,743.83 is: 1,150,377,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,451,949.26 : 2,123,071,080.75 = 833,603,743.83 : x
  2. Step 2: Convert to fraction form
    1,538,451,949.26/2,123,071,080.75 = 833,603,743.83/x
  3. Step 3: Cross multiply
    1,538,451,949.26x = 2,123,071,080.75 × 833,603,743.83
  4. Step 4: Simplify right side
    1,538,451,949.26x = 1,769,800,001,330,404,352
  5. Step 5: Solve for x
    x = 1,769,800,001,330,404,352/1,538,451,949.26
  6. Step 6: Final answer
    x = 1,150,377,171.14

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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.