Home / 449,309,035.40-673,963,553.10-293,440,670.60

Finding the Fourth Proportional to 449,309,035.40, 673,963,553.10 and 293,440,670.60

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Solution

The fourth proportional to 449,309,035.40, 673,963,553.10 and 293,440,670.60 is: 440,161,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,309,035.40 : 673,963,553.10 = 293,440,670.60 : x
  2. Step 2: Convert to fraction form
    449,309,035.40/673,963,553.10 = 293,440,670.60/x
  3. Step 3: Cross multiply
    449,309,035.40x = 673,963,553.10 × 293,440,670.60
  4. Step 4: Simplify right side
    449,309,035.40x = 197,768,316,981,622,720
  5. Step 5: Solve for x
    x = 197,768,316,981,622,720/449,309,035.40
  6. Step 6: Final answer
    x = 440,161,005.90

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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.