Home / 589,905,435.72-814,071,144.82-321,983,687.41

Finding the Fourth Proportional to 589,905,435.72, 814,071,144.82 and 321,983,687.41

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Solution

The fourth proportional to 589,905,435.72, 814,071,144.82 and 321,983,687.41 is: 444,338,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,905,435.72 : 814,071,144.82 = 321,983,687.41 : x
  2. Step 2: Convert to fraction form
    589,905,435.72/814,071,144.82 = 321,983,687.41/x
  3. Step 3: Cross multiply
    589,905,435.72x = 814,071,144.82 × 321,983,687.41
  4. Step 4: Simplify right side
    589,905,435.72x = 262,117,629,023,223,744
  5. Step 5: Solve for x
    x = 262,117,629,023,223,744/589,905,435.72
  6. Step 6: Final answer
    x = 444,338,385.70

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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.