Home / 411,818,231.63-617,750,693.03-131,723,748.56

Finding the Fourth Proportional to 411,818,231.63, 617,750,693.03 and 131,723,748.56

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Solution

The fourth proportional to 411,818,231.63, 617,750,693.03 and 131,723,748.56 is: 197,593,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,818,231.63 : 617,750,693.03 = 131,723,748.56 : x
  2. Step 2: Convert to fraction form
    411,818,231.63/617,750,693.03 = 131,723,748.56/x
  3. Step 3: Cross multiply
    411,818,231.63x = 617,750,693.03 × 131,723,748.56
  4. Step 4: Simplify right side
    411,818,231.63x = 81,372,436,957,702,096
  5. Step 5: Solve for x
    x = 81,372,436,957,702,096/411,818,231.63
  6. Step 6: Final answer
    x = 197,593,090.13

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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.