Home / 1,668,855,006.62-2,501,378,333.51-672,238,321.56

Finding the Fourth Proportional to 1,668,855,006.62, 2,501,378,333.51 and 672,238,321.56

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Solution

The fourth proportional to 1,668,855,006.62, 2,501,378,333.51 and 672,238,321.56 is: 1,007,590,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,855,006.62 : 2,501,378,333.51 = 672,238,321.56 : x
  2. Step 2: Convert to fraction form
    1,668,855,006.62/2,501,378,333.51 = 672,238,321.56/x
  3. Step 3: Cross multiply
    1,668,855,006.62x = 2,501,378,333.51 × 672,238,321.56
  4. Step 4: Simplify right side
    1,668,855,006.62x = 1,681,522,372,505,312,256
  5. Step 5: Solve for x
    x = 1,681,522,372,505,312,256/1,668,855,006.62
  6. Step 6: Final answer
    x = 1,007,590,453.24

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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.