Home / 906,238,868.39-1,360,084,717.33-469,664,367.47

Finding the Fourth Proportional to 906,238,868.39, 1,360,084,717.33 and 469,664,367.47

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Solution

The fourth proportional to 906,238,868.39, 1,360,084,717.33 and 469,664,367.47 is: 704,873,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,238,868.39 : 1,360,084,717.33 = 469,664,367.47 : x
  2. Step 2: Convert to fraction form
    906,238,868.39/1,360,084,717.33 = 469,664,367.47/x
  3. Step 3: Cross multiply
    906,238,868.39x = 1,360,084,717.33 × 469,664,367.47
  4. Step 4: Simplify right side
    906,238,868.39x = 638,783,328,462,433,664
  5. Step 5: Solve for x
    x = 638,783,328,462,433,664/906,238,868.39
  6. Step 6: Final answer
    x = 704,873,020.51

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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.