Home / 331,776,811.60-497,665,217.40-161,907,499.60

Finding the Fourth Proportional to 331,776,811.60, 497,665,217.40 and 161,907,499.60

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Solution

The fourth proportional to 331,776,811.60, 497,665,217.40 and 161,907,499.60 is: 242,861,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,811.60 : 497,665,217.40 = 161,907,499.60 : x
  2. Step 2: Convert to fraction form
    331,776,811.60/497,665,217.40 = 161,907,499.60/x
  3. Step 3: Cross multiply
    331,776,811.60x = 497,665,217.40 × 161,907,499.60
  4. Step 4: Simplify right side
    331,776,811.60x = 80,575,730,987,124,400
  5. Step 5: Solve for x
    x = 80,575,730,987,124,400/331,776,811.60
  6. Step 6: Final answer
    x = 242,861,249.40

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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.