Home / 699,251,383.68-964,967,102.40-385,985,801.28

Finding the Fourth Proportional to 699,251,383.68, 964,967,102.40 and 385,985,801.28

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Solution

The fourth proportional to 699,251,383.68, 964,967,102.40 and 385,985,801.28 is: 532,660,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,251,383.68 : 964,967,102.40 = 385,985,801.28 : x
  2. Step 2: Convert to fraction form
    699,251,383.68/964,967,102.40 = 385,985,801.28/x
  3. Step 3: Cross multiply
    699,251,383.68x = 964,967,102.40 × 385,985,801.28
  4. Step 4: Simplify right side
    699,251,383.68x = 372,463,600,228,703,744
  5. Step 5: Solve for x
    x = 372,463,600,228,703,744/699,251,383.68
  6. Step 6: Final answer
    x = 532,660,512.26

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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.