Home / 808,704,046.20-1,213,056,069.30-291,214,356.60

Finding the Fourth Proportional to 808,704,046.20, 1,213,056,069.30 and 291,214,356.60

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Solution

The fourth proportional to 808,704,046.20, 1,213,056,069.30 and 291,214,356.60 is: 436,821,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,704,046.20 : 1,213,056,069.30 = 291,214,356.60 : x
  2. Step 2: Convert to fraction form
    808,704,046.20/1,213,056,069.30 = 291,214,356.60/x
  3. Step 3: Cross multiply
    808,704,046.20x = 1,213,056,069.30 × 291,214,356.60
  4. Step 4: Simplify right side
    808,704,046.20x = 353,259,342,740,924,544
  5. Step 5: Solve for x
    x = 353,259,342,740,924,544/808,704,046.20
  6. Step 6: Final answer
    x = 436,821,534.90

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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.