Home / 603,633,615.40-905,450,423.10-220,830,466.60

Finding the Fourth Proportional to 603,633,615.40, 905,450,423.10 and 220,830,466.60

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Solution

The fourth proportional to 603,633,615.40, 905,450,423.10 and 220,830,466.60 is: 331,245,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,633,615.40 : 905,450,423.10 = 220,830,466.60 : x
  2. Step 2: Convert to fraction form
    603,633,615.40/905,450,423.10 = 220,830,466.60/x
  3. Step 3: Cross multiply
    603,633,615.40x = 905,450,423.10 × 220,830,466.60
  4. Step 4: Simplify right side
    603,633,615.40x = 199,951,039,416,340,416
  5. Step 5: Solve for x
    x = 199,951,039,416,340,416/603,633,615.40
  6. Step 6: Final answer
    x = 331,245,699.90

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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.