Home / 291,168,305.80-436,752,458.70-268,997,374.60

Finding the Fourth Proportional to 291,168,305.80, 436,752,458.70 and 268,997,374.60

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Solution

The fourth proportional to 291,168,305.80, 436,752,458.70 and 268,997,374.60 is: 403,496,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,168,305.80 : 436,752,458.70 = 268,997,374.60 : x
  2. Step 2: Convert to fraction form
    291,168,305.80/436,752,458.70 = 268,997,374.60/x
  3. Step 3: Cross multiply
    291,168,305.80x = 436,752,458.70 × 268,997,374.60
  4. Step 4: Simplify right side
    291,168,305.80x = 117,485,264,740,394,944
  5. Step 5: Solve for x
    x = 117,485,264,740,394,944/291,168,305.80
  6. Step 6: Final answer
    x = 403,496,061.90

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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.