Home / 603,408,266.70-905,112,400.05-521,619,496.80

Finding the Fourth Proportional to 603,408,266.70, 905,112,400.05 and 521,619,496.80

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Solution

The fourth proportional to 603,408,266.70, 905,112,400.05 and 521,619,496.80 is: 782,429,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,408,266.70 : 905,112,400.05 = 521,619,496.80 : x
  2. Step 2: Convert to fraction form
    603,408,266.70/905,112,400.05 = 521,619,496.80/x
  3. Step 3: Cross multiply
    603,408,266.70x = 905,112,400.05 × 521,619,496.80
  4. Step 4: Simplify right side
    603,408,266.70x = 472,124,274,661,521,280
  5. Step 5: Solve for x
    x = 472,124,274,661,521,280/603,408,266.70
  6. Step 6: Final answer
    x = 782,429,245.20

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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.