Home / 379,702,440,216.28-523,989,755,297.90-206,087,615,461.42

Finding the Fourth Proportional to 379,702,440,216.28, 523,989,755,297.90 and 206,087,615,461.42

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Solution

The fourth proportional to 379,702,440,216.28, 523,989,755,297.90 and 206,087,615,461.42 is: 284,401,119,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702,440,216.28 : 523,989,755,297.90 = 206,087,615,461.42 : x
  2. Step 2: Convert to fraction form
    379,702,440,216.28/523,989,755,297.90 = 206,087,615,461.42/x
  3. Step 3: Cross multiply
    379,702,440,216.28x = 523,989,755,297.90 × 206,087,615,461.42
  4. Step 4: Simplify right side
    379,702,440,216.28x = 107,987,799,195,557,193,318,400
  5. Step 5: Solve for x
    x = 107,987,799,195,557,193,318,400/379,702,440,216.28
  6. Step 6: Final answer
    x = 284,401,119,819.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.