Home / 331,264,672.80-496,897,009.20-210,630,919.20

Finding the Fourth Proportional to 331,264,672.80, 496,897,009.20 and 210,630,919.20

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Solution

The fourth proportional to 331,264,672.80, 496,897,009.20 and 210,630,919.20 is: 315,946,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,264,672.80 : 496,897,009.20 = 210,630,919.20 : x
  2. Step 2: Convert to fraction form
    331,264,672.80/496,897,009.20 = 210,630,919.20/x
  3. Step 3: Cross multiply
    331,264,672.80x = 496,897,009.20 × 210,630,919.20
  4. Step 4: Simplify right side
    331,264,672.80x = 104,661,873,795,526,848
  5. Step 5: Solve for x
    x = 104,661,873,795,526,848/331,264,672.80
  6. Step 6: Final answer
    x = 315,946,378.80

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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.