Home / 603,003,263.40-904,504,895.10-396,379,002.60

Finding the Fourth Proportional to 603,003,263.40, 904,504,895.10 and 396,379,002.60

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Solution

The fourth proportional to 603,003,263.40, 904,504,895.10 and 396,379,002.60 is: 594,568,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,003,263.40 : 904,504,895.10 = 396,379,002.60 : x
  2. Step 2: Convert to fraction form
    603,003,263.40/904,504,895.10 = 396,379,002.60/x
  3. Step 3: Cross multiply
    603,003,263.40x = 904,504,895.10 × 396,379,002.60
  4. Step 4: Simplify right side
    603,003,263.40x = 358,526,748,166,555,648
  5. Step 5: Solve for x
    x = 358,526,748,166,555,648/603,003,263.40
  6. Step 6: Final answer
    x = 594,568,503.90

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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.