Home / 819,903,137.54-1,131,601,626-502,539,918.33

Finding the Fourth Proportional to 819,903,137.54, 1,131,601,626 and 502,539,918.33

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Solution

The fourth proportional to 819,903,137.54, 1,131,601,626 and 502,539,918.33 is: 693,588,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,903,137.54 : 1,131,601,626 = 502,539,918.33 : x
  2. Step 2: Convert to fraction form
    819,903,137.54/1,131,601,626 = 502,539,918.33/x
  3. Step 3: Cross multiply
    819,903,137.54x = 1,131,601,626 × 502,539,918.33
  4. Step 4: Simplify right side
    819,903,137.54x = 568,674,988,712,135,168
  5. Step 5: Solve for x
    x = 568,674,988,712,135,168/819,903,137.54
  6. Step 6: Final answer
    x = 693,588,013.85

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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.