Home / 402,029,600.20-603,044,400.30-321,408,032.20

Finding the Fourth Proportional to 402,029,600.20, 603,044,400.30 and 321,408,032.20

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Solution

The fourth proportional to 402,029,600.20, 603,044,400.30 and 321,408,032.20 is: 482,112,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,029,600.20 : 603,044,400.30 = 321,408,032.20 : x
  2. Step 2: Convert to fraction form
    402,029,600.20/603,044,400.30 = 321,408,032.20/x
  3. Step 3: Cross multiply
    402,029,600.20x = 603,044,400.30 × 321,408,032.20
  4. Step 4: Simplify right side
    402,029,600.20x = 193,823,314,029,652,064
  5. Step 5: Solve for x
    x = 193,823,314,029,652,064/402,029,600.20
  6. Step 6: Final answer
    x = 482,112,048.30

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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.