Home / 920,024,209.34-1,379,230,098.32-345,998,645.18

Finding the Fourth Proportional to 920,024,209.34, 1,379,230,098.32 and 345,998,645.18

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Solution

The fourth proportional to 920,024,209.34, 1,379,230,098.32 and 345,998,645.18 is: 518,694,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,024,209.34 : 1,379,230,098.32 = 345,998,645.18 : x
  2. Step 2: Convert to fraction form
    920,024,209.34/1,379,230,098.32 = 345,998,645.18/x
  3. Step 3: Cross multiply
    920,024,209.34x = 1,379,230,098.32 × 345,998,645.18
  4. Step 4: Simplify right side
    920,024,209.34x = 477,211,745,410,198,208
  5. Step 5: Solve for x
    x = 477,211,745,410,198,208/920,024,209.34
  6. Step 6: Final answer
    x = 518,694,769.73

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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.